89606172 has 24 divisors (see below), whose sum is σ = 216291600. Its totient is φ = 28838656.

The previous prime is 89606171. The next prime is 89606173. The reversal of 89606172 is 27160698.

It is an interprime number because it is at equal distance from previous prime (89606171) and next prime (89606173).

It is a self number, because there is not a number n which added to its sum of digits gives 89606172.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89606171) 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, 128397 + ... + 129092.

It is an arithmetic number, because the mean of its divisors is an integer number (9012150).

Almost surely, 2^89606172 is an apocalyptic number.

It is an amenable number.

89606172 is an abundant number, since it is smaller than the sum of its proper divisors (126685428).

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

89606172 is a wasteful number, since it uses less digits than its factorization.

89606172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257525 (or 257523 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 89606172 is about 9466.0536655990. The cubic root of 89606172 is about 447.4858512219.

The spelling of 89606172 in words is "eighty-nine million, six hundred six thousand, one hundred seventy-two".