89689172 has 6 divisors (see below), whose sum is σ = 156956058. Its totient is φ = 44844584.

The previous prime is 89689153. The next prime is 89689183. The reversal of 89689172 is 27198698.

It can be written as a sum of positive squares in only one way, i.e., 70627216 + 19061956 = 8404^2 + 4366^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 89689172.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11211143 + ... + 11211150.

It is an arithmetic number, because the mean of its divisors is an integer number (26159343).

Almost surely, 2^89689172 is an apocalyptic number.

It is an amenable number.

89689172 is a deficient number, since it is larger than the sum of its proper divisors (67266886).

89689172 is a wasteful number, since it uses less digits than its factorization.

89689172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22422297 (or 22422295 counting only the distinct ones).

The product of its digits is 435456, while the sum is 50.

The square root of 89689172 is about 9470.4367375533. The cubic root of 89689172 is about 447.6239736414.

The spelling of 89689172 in words is "eighty-nine million, six hundred eighty-nine thousand, one hundred seventy-two".