937998990 has 48 divisors (see below), whose sum is σ = 2495523888. Its totient is φ = 244315008.

The previous prime is 937998989. The next prime is 937998991. The reversal of 937998990 is 99899739.

It is an interprime number because it is at equal distance from previous prime (937998989) and next prime (937998991).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (937998991) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 117319 + ... + 125058.

It is an arithmetic number, because the mean of its divisors is an integer number (51990081).

Almost surely, 2^937998990 is an apocalyptic number.

937998990 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

937998990 is an abundant number, since it is smaller than the sum of its proper divisors (1557524898).

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

937998990 is a wasteful number, since it uses less digits than its factorization.

937998990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242433 (or 242430 counting only the distinct ones).

The product of its (nonzero) digits is 9920232, while the sum is 63.

The square root of 937998990 is about 30626.7691733882. The cubic root of 937998990 is about 978.8905221431.

The spelling of 937998990 in words is "nine hundred thirty-seven million, nine hundred ninety-eight thousand, nine hundred ninety".