2381036 has 12 divisors (see below), whose sum is σ = 4762128. Its totient is φ = 1020432.

The previous prime is 2381033. The next prime is 2381053. The reversal of 2381036 is 6301832.

2381036 is an admirable number.

It is an Ulam number.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (2381033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42491 + ... + 42546.

It is an arithmetic number, because the mean of its divisors is an integer number (396844).

2^2381036 is an apocalyptic number.

It is an amenable number.

2381036 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2381036 is a wasteful number, since it uses less digits than its factorization.

2381036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85048 (or 85046 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 2381036 is about 1543.0605950513. The cubic root of 2381036 is about 133.5330146948.

Adding to 2381036 its reverse (6301832), we get a palindrome (8682868).

The spelling of 2381036 in words is "two million, three hundred eighty-one thousand, thirty-six".