99650400 has 72 divisors (see below), whose sum is σ = 324369864. Its totient is φ = 26572800.

The previous prime is 99650389. The next prime is 99650407. The reversal of 99650400 is 405699.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99650407) 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, 18361 + ... + 23160.

It is an arithmetic number, because the mean of its divisors is an integer number (4505137).

Almost surely, 2^99650400 is an apocalyptic number.

It is an amenable number.

99650400 is an abundant number, since it is smaller than the sum of its proper divisors (224719464).

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

99650400 is a wasteful number, since it uses less digits than its factorization.

99650400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41544 (or 41531 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 99650400 is about 9982.5046957164. The cubic root of 99650400 is about 463.6173519868.

The spelling of 99650400 in words is "ninety-nine million, six hundred fifty thousand, four hundred".