99000556 has 24 divisors (see below), whose sum is σ = 183272544. Its totient is φ = 46696320.

The previous prime is 99000547. The next prime is 99000557. The reversal of 99000556 is 65500099.

It is a super-2 number, since 2×99000556² = 19602220176618272, which contains 22 as substring.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (99000557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 655 + ... + 14086.

It is an arithmetic number, because the mean of its divisors is an integer number (7636356).

Almost surely, 2^99000556 is an apocalyptic number.

It is an amenable number.

99000556 is a deficient number, since it is larger than the sum of its proper divisors (84271988).

99000556 is a wasteful number, since it uses less digits than its factorization.

99000556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14841 (or 14839 counting only the distinct ones).

The product of its (nonzero) digits is 12150, while the sum is 34.

The square root of 99000556 is about 9949.9023110782. The cubic root of 99000556 is about 462.6073669409.

The spelling of 99000556 in words is "ninety-nine million, five hundred fifty-six", and thus it is an aban number.