89690540 has 24 divisors (see below), whose sum is σ = 188613600. Its totient is φ = 35826048.

The previous prime is 89690539. The next prime is 89690543. The reversal of 89690540 is 4509698.

It is not an unprimeable number, because it can be changed into a prime (89690543) 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, 13736 + ... + 19184.

It is an arithmetic number, because the mean of its divisors is an integer number (7858900).

Almost surely, 2^89690540 is an apocalyptic number.

It is an amenable number.

89690540 is an abundant number, since it is smaller than the sum of its proper divisors (98923060).

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

89690540 is a wasteful number, since it uses less digits than its factorization.

89690540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6281 (or 6279 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 89690540 is about 9470.5089620358. The cubic root of 89690540 is about 447.6262494512.

The spelling of 89690540 in words is "eighty-nine million, six hundred ninety thousand, five hundred forty".