91487360 has 32 divisors (see below), whose sum is σ = 218713500. Its totient is φ = 36594688.

The previous prime is 91487351. The next prime is 91487377. The reversal of 91487360 is 6378419.

It can be written as a sum of positive squares in 2 ways, for example, as 91087936 + 399424 = 9544^2 + 632^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70835 + ... + 72114.

Almost surely, 2^91487360 is an apocalyptic number.

It is an amenable number.

91487360 is an abundant number, since it is smaller than the sum of its proper divisors (127226140).

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

91487360 is a wasteful number, since it uses less digits than its factorization.

91487360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142968 (or 142956 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 91487360 is about 9564.9025086511. The cubic root of 91487360 is about 450.5956884744.

The spelling of 91487360 in words is "ninety-one million, four hundred eighty-seven thousand, three hundred sixty".