99908628 has 12 divisors (see below), whose sum is σ = 233120160. Its totient is φ = 33302872.

The previous prime is 99908617. The next prime is 99908639. The reversal of 99908628 is 82680999.

It is an interprime number because it is at equal distance from previous prime (99908617) and next prime (99908639).

It is a tau number, because it is divible by the number of its divisors (12).

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, 4162848 + ... + 4162871.

It is an arithmetic number, because the mean of its divisors is an integer number (19426680).

Almost surely, 2^99908628 is an apocalyptic number.

It is an amenable number.

99908628 is an abundant number, since it is smaller than the sum of its proper divisors (133211532).

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

99908628 is a wasteful number, since it uses less digits than its factorization.

99908628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8325726 (or 8325724 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 51.

The square root of 99908628 is about 9995.4303559176. The cubic root of 99908628 is about 464.0174698634.

The spelling of 99908628 in words is "ninety-nine million, nine hundred eight thousand, six hundred twenty-eight".