7988256 has 36 divisors (see below), whose sum is σ = 22717422. Its totient is φ = 2662656.

The previous prime is 7988251. The next prime is 7988257. The reversal of 7988256 is 6528897.

It can be written as a sum of positive squares in only one way, i.e., 5363856 + 2624400 = 2316^2 + 1620^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (7988251) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13581 + ... + 14156.

Almost surely, 2^7988256 is an apocalyptic number.

It is an amenable number.

7988256 is an abundant number, since it is smaller than the sum of its proper divisors (14729166).

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

7988256 is a wasteful number, since it uses less digits than its factorization.

7988256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27753 (or 27742 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 7988256 is about 2826.3502967608. The cubic root of 7988256 is about 199.9020854048.

The spelling of 7988256 in words is "seven million, nine hundred eighty-eight thousand, two hundred fifty-six".