8256656 has 20 divisors (see below), whose sum is σ = 16045104. Its totient is φ = 4116000.

The previous prime is 8256653. The next prime is 8256673. The reversal of 8256656 is 6566528.

It is a happy number.

It is a super-3 number, since 3×8256656³ (a number of 22 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (8256653) 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, 7331 + ... + 8381.

Almost surely, 2^8256656 is an apocalyptic number.

It is an amenable number.

8256656 is a deficient number, since it is larger than the sum of its proper divisors (7788448).

8256656 is a wasteful number, since it uses less digits than its factorization.

8256656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1550 (or 1544 counting only the distinct ones).

The product of its digits is 86400, while the sum is 38.

The square root of 8256656 is about 2873.4397505429. The cubic root of 8256656 is about 202.1163268150.

The spelling of 8256656 in words is "eight million, two hundred fifty-six thousand, six hundred fifty-six".