9005656 has 16 divisors (see below), whose sum is σ = 18420840. Its totient is φ = 4093440.

The previous prime is 9005621. The next prime is 9005657. The reversal of 9005656 is 6565009.

It is a happy number.

It is a super-2 number, since 2×9005656² = 162203679980672, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9005657) 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, 51081 + ... + 51256.

Almost surely, 2^9005656 is an apocalyptic number.

It is an amenable number.

9005656 is an abundant number, since it is smaller than the sum of its proper divisors (9415184).

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

9005656 is a wasteful number, since it uses less digits than its factorization.

9005656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102354 (or 102350 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 31.

The square root of 9005656 is about 3000.9425186098. The cubic root of 9005656 is about 208.0519470845.

It can be divided in two parts, 900 and 5656, that added together give a palindrome (6556).

The spelling of 9005656 in words is "nine million, five thousand, six hundred fifty-six".