99000940 has 24 divisors (see below), whose sum is σ = 209153952. Its totient is φ = 39361920.

The previous prime is 99000919. The next prime is 99000953. The reversal of 99000940 is 4900099.

It is a super-2 number, since 2×99000940² = 19602372241767200, which contains 22 as substring.

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, 11481 + ... + 18160.

It is an arithmetic number, because the mean of its divisors is an integer number (8714748).

Almost surely, 2^99000940 is an apocalyptic number.

It is an amenable number.

99000940 is an abundant number, since it is smaller than the sum of its proper divisors (110153012).

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

99000940 is a wasteful number, since it uses less digits than its factorization.

99000940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29817 (or 29815 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 31.

The square root of 99000940 is about 9949.9216077314. The cubic root of 99000940 is about 462.6079650554.

The spelling of 99000940 in words is "ninety-nine million, nine hundred forty", and thus it is an aban number.