89901612 has 36 divisors (see below), whose sum is σ = 234584896. Its totient is φ = 29000160.

The previous prime is 89901607. The next prime is 89901613. The reversal of 89901612 is 21610998.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (89901613) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39163 + ... + 41394.

Almost surely, 2^89901612 is an apocalyptic number.

It is an amenable number.

89901612 is an abundant number, since it is smaller than the sum of its proper divisors (144683284).

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

89901612 is a wasteful number, since it uses less digits than its factorization.

89901612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80598 (or 80593 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 36.

The square root of 89901612 is about 9481.6460596249. The cubic root of 89901612 is about 447.9771127232.

The spelling of 89901612 in words is "eighty-nine million, nine hundred one thousand, six hundred twelve".