90630880 has 24 divisors (see below), whose sum is σ = 214115832. Its totient is φ = 36252288.

The previous prime is 90630877. The next prime is 90630907. The reversal of 90630880 is 8803609.

It is a super-3 number, since 3×90630880³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

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, 283062 + ... + 283381.

It is an arithmetic number, because the mean of its divisors is an integer number (8921493).

Almost surely, 2^90630880 is an apocalyptic number.

It is an amenable number.

90630880 is an abundant number, since it is smaller than the sum of its proper divisors (123484952).

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

90630880 is a wasteful number, since it uses less digits than its factorization.

90630880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566458 (or 566450 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 90630880 is about 9520.0252100507. The cubic root of 90630880 is about 449.1851591563.

The spelling of 90630880 in words is "ninety million, six hundred thirty thousand, eight hundred eighty".