99630810 has 40 divisors (see below), whose sum is σ = 267898356. Its totient is φ = 26568000.

The previous prime is 99630799. The next prime is 99630823. The reversal of 99630810 is 1803699.

99630810 is a `hidden beast` number, since 9 + 9 + 630 + 8 + 10 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 95004009 + 4626801 = 9747^2 + 2151^2 .

It is a super-2 number, since 2×99630810² = 19852596602512200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 60691 + ... + 62310.

Almost surely, 2^99630810 is an apocalyptic number.

99630810 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

99630810 is an abundant number, since it is smaller than the sum of its proper divisors (168267546).

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

99630810 is a wasteful number, since it uses less digits than its factorization.

99630810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123020 (or 123011 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 99630810 is about 9981.5234308196. The cubic root of 99630810 is about 463.5869695728.

The spelling of 99630810 in words is "ninety-nine million, six hundred thirty thousand, eight hundred ten".