256849796 has 24 divisors (see below), whose sum is σ = 514436160. Its totient is φ = 109920672.

The previous prime is 256849759. The next prime is 256849799. The reversal of 256849796 is 697948652.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (256849799) 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, 14486 + ... + 26898.

It is an arithmetic number, because the mean of its divisors is an integer number (21434840).

Almost surely, 2^256849796 is an apocalyptic number.

It is an amenable number.

256849796 is an abundant number, since it is smaller than the sum of its proper divisors (257586364).

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

256849796 is a wasteful number, since it uses less digits than its factorization.

256849796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13163 (or 13161 counting only the distinct ones).

The product of its digits is 6531840, while the sum is 56.

The square root of 256849796 is about 16026.5341231347. The cubic root of 256849796 is about 635.6622318143.

The spelling of 256849796 in words is "two hundred fifty-six million, eight hundred forty-nine thousand, seven hundred ninety-six".