256239362 has 8 divisors (see below), whose sum is σ = 384527100. Its totient is φ = 128063664.

The previous prime is 256239359. The next prime is 256239367. The reversal of 256239362 is 263932652.

It is a happy number.

256239362 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 251825161 + 4414201 = 15869^2 + 2101^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×256239362² = 131317221276334088, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (256239367) 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, 22037 + ... + 31592.

Almost surely, 2^256239362 is an apocalyptic number.

256239362 is a deficient number, since it is larger than the sum of its proper divisors (128287738).

256239362 is a wasteful number, since it uses less digits than its factorization.

256239362 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56020.

The product of its digits is 116640, while the sum is 38.

The square root of 256239362 is about 16007.4783148377. The cubic root of 256239362 is about 635.1582567920.

The spelling of 256239362 in words is "two hundred fifty-six million, two hundred thirty-nine thousand, three hundred sixty-two".