93987560 has 64 divisors (see below), whose sum is σ = 226573200. Its totient is φ = 34963456.

The previous prime is 93987557. The next prime is 93987571. The reversal of 93987560 is 6578939.

It can be written as a sum of positive squares in 8 ways, for example, as 18957316 + 75030244 = 4354^2 + 8662^2 .

It is a super-2 number, since 2×93987560² = 17667322869507200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59744 + ... + 61296.

Almost surely, 2^93987560 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 93987560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113286600).

93987560 is an abundant number, since it is smaller than the sum of its proper divisors (132585640).

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

93987560 is a wasteful number, since it uses less digits than its factorization.

93987560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1670 (or 1666 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 47.

The square root of 93987560 is about 9694.7181495905. The cubic root of 93987560 is about 454.6635358193.

The spelling of 93987560 in words is "ninety-three million, nine hundred eighty-seven thousand, five hundred sixty".