2381604012 has 96 divisors (see below), whose sum is σ = 6385021440. Its totient is φ = 767102400.

The previous prime is 2381604011. The next prime is 2381604013. The reversal of 2381604012 is 2104061832.

2381604012 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2381604011) and next prime (2381604013).

It is a super-2 number, since 2×2381604012² = 11344075339948992288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2381604011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 601423 + ... + 605369.

It is an arithmetic number, because the mean of its divisors is an integer number (66510640).

Almost surely, 2^2381604012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2381604012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3192510720).

2381604012 is an abundant number, since it is smaller than the sum of its proper divisors (4003417428).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2381604012 is a wasteful number, since it uses less digits than its factorization.

2381604012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4148 (or 4140 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 2381604012 is about 48801.6804218871. The cubic root of 2381604012 is about 1335.4363224725.

Adding to 2381604012 its reverse (2104061832), we get a palindrome (4485665844).

The spelling of 2381604012 in words is "two billion, three hundred eighty-one million, six hundred four thousand, twelve".