89945360 has 20 divisors (see below), whose sum is σ = 209123148. Its totient is φ = 35978112.

The previous prime is 89945333. The next prime is 89945363. The reversal of 89945360 is 6354998.

It can be written as a sum of positive squares in 2 ways, for example, as 36772096 + 53173264 = 6064^2 + 7292^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (89945363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 562079 + ... + 562238.

Almost surely, 2^89945360 is an apocalyptic number.

89945360 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

89945360 is an abundant number, since it is smaller than the sum of its proper divisors (119177788).

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

89945360 is a wasteful number, since it uses less digits than its factorization.

89945360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1124330 (or 1124324 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 44.

The square root of 89945360 is about 9483.9527624298. The cubic root of 89945360 is about 448.0497659426.

The spelling of 89945360 in words is "eighty-nine million, nine hundred forty-five thousand, three hundred sixty".