89651912 has 32 divisors (see below), whose sum is σ = 196801920. Its totient is φ = 37484160.

The previous prime is 89651911. The next prime is 89651917. The reversal of 89651912 is 21915698.

It is a happy number.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a self number, because there is not a number n which added to its sum of digits gives 89651912.

It is not an unprimeable number, because it can be changed into a prime (89651911) 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, 17228 + ... + 21819.

It is an arithmetic number, because the mean of its divisors is an integer number (6150060).

Almost surely, 2^89651912 is an apocalyptic number.

89651912 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

It is an amenable number.

89651912 is an abundant number, since it is smaller than the sum of its proper divisors (107150008).

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

89651912 is a wasteful number, since it uses less digits than its factorization.

89651912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39101 (or 39097 counting only the distinct ones).

The product of its digits is 38880, while the sum is 41.

The square root of 89651912 is about 9468.4693588774. The cubic root of 89651912 is about 447.5619788691.

The spelling of 89651912 in words is "eighty-nine million, six hundred fifty-one thousand, nine hundred twelve".