89916860 has 24 divisors (see below), whose sum is σ = 205991856. Its totient is φ = 32696960.

The previous prime is 89916851. The next prime is 89916887. The reversal of 89916860 is 6861998.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 204137 + ... + 204576.

It is an arithmetic number, because the mean of its divisors is an integer number (8582994).

Almost surely, 2^89916860 is an apocalyptic number.

It is an amenable number.

89916860 is an abundant number, since it is smaller than the sum of its proper divisors (116074996).

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

89916860 is a wasteful number, since it uses less digits than its factorization.

89916860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408733 (or 408731 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 47.

The square root of 89916860 is about 9482.4501053262. The cubic root of 89916860 is about 448.0024380713.

It can be divided in two parts, 8991 and 6860, that added together give a palindrome (15851).

The spelling of 89916860 in words is "eighty-nine million, nine hundred sixteen thousand, eight hundred sixty".