2381964 has 24 divisors (see below), whose sum is σ = 5985840. Its totient is φ = 732864.

The previous prime is 2381963. The next prime is 2381969. The reversal of 2381964 is 4691832.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (2381963) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7479 + ... + 7790.

It is an arithmetic number, because the mean of its divisors is an integer number (249410).

2^2381964 is an apocalyptic number.

It is an amenable number.

2381964 is an abundant number, since it is smaller than the sum of its proper divisors (3603876).

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

2381964 is a wasteful number, since it uses less digits than its factorization.

2381964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15289 (or 15287 counting only the distinct ones).

The product of its digits is 10368, while the sum is 33.

The square root of 2381964 is about 1543.3612668458. The cubic root of 2381964 is about 133.5503604415.

The spelling of 2381964 in words is "two million, three hundred eighty-one thousand, nine hundred sixty-four".