8990656 has 28 divisors (see below), whose sum is σ = 18150840. Its totient is φ = 4417280.

The previous prime is 8990623. The next prime is 8990669. The reversal of 8990656 is 6560998.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2586 + ... + 4966.

Almost surely, 2^8990656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8990656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9075420).

8990656 is an abundant number, since it is smaller than the sum of its proper divisors (9160184).

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

8990656 is a wasteful number, since it uses less digits than its factorization.

8990656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2452 (or 2442 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 43.

The square root of 8990656 is about 2998.4422622422. The cubic root of 8990656 is about 207.9363710699.

The spelling of 8990656 in words is "eight million, nine hundred ninety thousand, six hundred fifty-six".