90636960 has 48 divisors (see below), whose sum is σ = 285507936. Its totient is φ = 24169728.

The previous prime is 90636941. The next prime is 90636983. The reversal of 90636960 is 6963609.

It is a tau number, because it is divible by the number of its divisors (48).

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, 93934 + ... + 94893.

It is an arithmetic number, because the mean of its divisors is an integer number (5948082).

Almost surely, 2^90636960 is an apocalyptic number.

It is an amenable number.

90636960 is an abundant number, since it is smaller than the sum of its proper divisors (194870976).

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

90636960 is a wasteful number, since it uses less digits than its factorization.

90636960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188845 (or 188837 counting only the distinct ones).

The product of its (nonzero) digits is 52488, while the sum is 39.

The square root of 90636960 is about 9520.3445315808. The cubic root of 90636960 is about 449.1952035058.

The spelling of 90636960 in words is "ninety million, six hundred thirty-six thousand, nine hundred sixty".