990513200 has 30 divisors (see below), whose sum is σ = 2379708924. Its totient is φ = 396205120.

The previous prime is 990513179. The next prime is 990513221. The reversal of 990513200 is 2315099.

It is an interprime number because it is at equal distance from previous prime (990513179) and next prime (990513221).

It is a super-2 number, since 2×990513200² = 1962232798748480000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1237742 + ... + 1238541.

Almost surely, 2^990513200 is an apocalyptic number.

It is an amenable number.

990513200 is an abundant number, since it is smaller than the sum of its proper divisors (1389195724).

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

990513200 is a wasteful number, since it uses less digits than its factorization.

990513200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2476301 (or 2476290 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 29.

The square root of 990513200 is about 31472.4196718333. The cubic root of 990513200 is about 996.8276803631.

Adding to 990513200 its reverse (2315099), we get a palindrome (992828299).

The spelling of 990513200 in words is "nine hundred ninety million, five hundred thirteen thousand, two hundred".