256206324 has 24 divisors (see below), whose sum is σ = 652161888. Its totient is φ = 77638240.

The previous prime is 256206323. The next prime is 256206359. The reversal of 256206324 is 423602652.

It is a super-4 number, since 4×256206324⁴ (a number of 35 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 256206291 and 256206300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256206323) 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, 970347 + ... + 970610.

It is an arithmetic number, because the mean of its divisors is an integer number (27173412).

Almost surely, 2^256206324 is an apocalyptic number.

It is an amenable number.

256206324 is an abundant number, since it is smaller than the sum of its proper divisors (395955564).

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

256206324 is a wasteful number, since it uses less digits than its factorization.

256206324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1940975 (or 1940973 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 256206324 is about 16006.4463264024. The cubic root of 256206324 is about 635.1309577590.

Adding to 256206324 its reverse (423602652), we get a palindrome (679808976).

The spelling of 256206324 in words is "two hundred fifty-six million, two hundred six thousand, three hundred twenty-four".