907488990 has 24 divisors (see below), whose sum is σ = 2359471608. Its totient is φ = 241997040.

The previous prime is 907488977. The next prime is 907488991. The reversal of 907488990 is 99884709.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (907488991) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5041516 + ... + 5041695.

It is an arithmetic number, because the mean of its divisors is an integer number (98311317).

Almost surely, 2^907488990 is an apocalyptic number.

907488990 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

907488990 is an abundant number, since it is smaller than the sum of its proper divisors (1451982618).

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

907488990 is a wasteful number, since it uses less digits than its factorization.

907488990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10083224 (or 10083221 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 54.

The square root of 907488990 is about 30124.5579220675. The cubic root of 907488990 is about 968.1599687530.

The spelling of 907488990 in words is "nine hundred seven million, four hundred eighty-eight thousand, nine hundred ninety".