89696560 has 40 divisors (see below), whose sum is σ = 211415040. Its totient is φ = 35384832.

The previous prime is 89696543. The next prime is 89696569. The reversal of 89696560 is 6569698.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (89696569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1840 + ... + 13519.

It is an arithmetic number, because the mean of its divisors is an integer number (5285376).

Almost surely, 2^89696560 is an apocalyptic number.

89696560 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

89696560 is an abundant number, since it is smaller than the sum of its proper divisors (121718480).

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

89696560 is a wasteful number, since it uses less digits than its factorization.

89696560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15445 (or 15439 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 49.

The square root of 89696560 is about 9470.8267854501. The cubic root of 89696560 is about 447.6362640701.

The spelling of 89696560 in words is "eighty-nine million, six hundred ninety-six thousand, five hundred sixty".