89343870 has 64 divisors (see below), whose sum is σ = 267342336. Its totient is φ = 18564480.

The previous prime is 89343869. The next prime is 89343889. The reversal of 89343870 is 7834398.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17029 + ... + 21648.

It is an arithmetic number, because the mean of its divisors is an integer number (4177224).

Almost surely, 2^89343870 is an apocalyptic number.

89343870 is an abundant number, since it is smaller than the sum of its proper divisors (177998466).

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

89343870 is a wasteful number, since it uses less digits than its factorization.

89343870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38705.

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 89343870 is about 9452.1886354431. The cubic root of 89343870 is about 447.0487862712.

The spelling of 89343870 in words is "eighty-nine million, three hundred forty-three thousand, eight hundred seventy".