89421170 has 8 divisors (see below), whose sum is σ = 160958124. Its totient is φ = 35768464.

The previous prime is 89421169. The next prime is 89421179. The reversal of 89421170 is 7112498.

It can be written as a sum of positive squares in 2 ways, for example, as 83156161 + 6265009 = 9119^2 + 2503^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×89421170² = 15992291288337800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (89421179) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4471049 + ... + 4471068.

Almost surely, 2^89421170 is an apocalyptic number.

89421170 is a deficient number, since it is larger than the sum of its proper divisors (71536954).

89421170 is a wasteful number, since it uses less digits than its factorization.

89421170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8942124.

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 89421170 is about 9456.2767514493. The cubic root of 89421170 is about 447.1776774486.

The spelling of 89421170 in words is "eighty-nine million, four hundred twenty-one thousand, one hundred seventy".