88931140 has 24 divisors (see below), whose sum is σ = 187165440. Its totient is φ = 35494368.

The previous prime is 88931137. The next prime is 88931147. The reversal of 88931140 is 4113988.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 88931096 and 88931105.

It is not an unprimeable number, because it can be changed into a prime (88931147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4939 + ... + 14221.

It is an arithmetic number, because the mean of its divisors is an integer number (7798560).

Almost surely, 2^88931140 is an apocalyptic number.

It is an amenable number.

88931140 is an abundant number, since it is smaller than the sum of its proper divisors (98234300).

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

88931140 is a wasteful number, since it uses less digits than its factorization.

88931140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9771 (or 9769 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 88931140 is about 9430.3308531567. The cubic root of 88931140 is about 446.3593329024.

The spelling of 88931140 in words is "eighty-eight million, nine hundred thirty-one thousand, one hundred forty".