89688810 has 32 divisors (see below), whose sum is σ = 215955072. Its totient is φ = 23839040.

The previous prime is 89688803. The next prime is 89688811. The reversal of 89688810 is 1888698.

It is a super-2 number, since 2×89688810² = 16088165278432200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 89688810.

It is not an unprimeable number, because it can be changed into a prime (89688811) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 4795 + ... + 14225.

It is an arithmetic number, because the mean of its divisors is an integer number (6748596).

Almost surely, 2^89688810 is an apocalyptic number.

89688810 is an abundant number, since it is smaller than the sum of its proper divisors (126266262).

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

89688810 is a wasteful number, since it uses less digits than its factorization.

89688810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9758.

The product of its (nonzero) digits is 221184, while the sum is 48.

The square root of 89688810 is about 9470.4176254271. The cubic root of 89688810 is about 447.6233714130.

The spelling of 89688810 in words is "eighty-nine million, six hundred eighty-eight thousand, eight hundred ten".