89919560 has 32 divisors (see below), whose sum is σ = 207257400. Its totient is φ = 35089920.

The previous prime is 89919559. The next prime is 89919589. The reversal of 89919560 is 6591998.

It can be written as a sum of positive squares in 4 ways, for example, as 33339076 + 56580484 = 5774^2 + 7522^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25775 + ... + 29054.

Almost surely, 2^89919560 is an apocalyptic number.

It is an amenable number.

89919560 is an abundant number, since it is smaller than the sum of its proper divisors (117337840).

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

89919560 is a wasteful number, since it uses less digits than its factorization.

89919560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54881 (or 54877 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 47.

The square root of 89919560 is about 9482.5924725256. The cubic root of 89919560 is about 448.0069221932.

The spelling of 89919560 in words is "eighty-nine million, nine hundred nineteen thousand, five hundred sixty".