89170930 has 16 divisors (see below), whose sum is σ = 160746840. Its totient is φ = 35615232.

The previous prime is 89170909. The next prime is 89170937. The reversal of 89170930 is 3907198.

It can be written as a sum of positive squares in 4 ways, for example, as 74356129 + 14814801 = 8623^2 + 3849^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 89170930.

It is not an unprimeable number, because it can be changed into a prime (89170937) 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 7 ways as a sum of consecutive naturals, for example, 802 + ... + 13378.

Almost surely, 2^89170930 is an apocalyptic number.

89170930 is a deficient number, since it is larger than the sum of its proper divisors (71575910).

89170930 is a wasteful number, since it uses less digits than its factorization.

89170930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13293.

The product of its (nonzero) digits is 13608, while the sum is 37.

The square root of 89170930 is about 9443.0360583872. The cubic root of 89170930 is about 446.7601540660.

It can be divided in two parts, 89170 and 930, that added together give a triangular number (90100 = T₄₂₄).

The spelling of 89170930 in words is "eighty-nine million, one hundred seventy thousand, nine hundred thirty".