8991552 has 28 divisors (see below), whose sum is σ = 23790656. Its totient is φ = 2997120.

The previous prime is 8991539. The next prime is 8991553. The reversal of 8991552 is 2551998.

It is a self number, because there is not a number n which added to its sum of digits gives 8991552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8991553) 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, 23224 + ... + 23607.

Almost surely, 2^8991552 is an apocalyptic number.

It is an amenable number.

8991552 is an abundant number, since it is smaller than the sum of its proper divisors (14799104).

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

8991552 is a wasteful number, since it uses less digits than its factorization.

8991552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46846 (or 46836 counting only the distinct ones).

The product of its digits is 32400, while the sum is 39.

The square root of 8991552 is about 2998.5916694342. The cubic root of 8991552 is about 207.9432784190.

The spelling of 8991552 in words is "eight million, nine hundred ninety-one thousand, five hundred fifty-two".