89710140 has 48 divisors (see below), whose sum is σ = 270512928. Its totient is φ = 22082304.

The previous prime is 89710129. The next prime is 89710141. The reversal of 89710140 is 4101798.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 89710098 and 89710107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89710141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56727 + ... + 58286.

It is an arithmetic number, because the mean of its divisors is an integer number (5635686).

Almost surely, 2^89710140 is an apocalyptic number.

It is an amenable number.

89710140 is an abundant number, since it is smaller than the sum of its proper divisors (180802788).

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

89710140 is a wasteful number, since it uses less digits than its factorization.

89710140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115038 (or 115036 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 30.

The square root of 89710140 is about 9471.5436967793. The cubic root of 89710140 is about 447.6588535418.

The spelling of 89710140 in words is "eighty-nine million, seven hundred ten thousand, one hundred forty".