89705130 has 32 divisors (see below), whose sum is σ = 220546368. Its totient is φ = 23337600.

The previous prime is 89705123. The next prime is 89705159. The reversal of 89705130 is 3150798.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 89705091 and 89705100.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 35236 + ... + 37695.

It is an arithmetic number, because the mean of its divisors is an integer number (6892074).

Almost surely, 2^89705130 is an apocalyptic number.

89705130 is an abundant number, since it is smaller than the sum of its proper divisors (130841238).

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

89705130 is a wasteful number, since it uses less digits than its factorization.

89705130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72982.

The product of its (nonzero) digits is 7560, while the sum is 33.

The square root of 89705130 is about 9471.2792166634. The cubic root of 89705130 is about 447.6505199888.

The spelling of 89705130 in words is "eighty-nine million, seven hundred five thousand, one hundred thirty".