99613800 has 480 divisors, whose sum is σ = 415910880. Its totient is φ = 21772800.

The previous prime is 99613799. The next prime is 99613823. The reversal of 99613800 is 831699.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 2316579 + ... + 2316621.

It is an arithmetic number, because the mean of its divisors is an integer number (866481).

Almost surely, 2^99613800 is an apocalyptic number.

99613800 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99613800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (207955440).

99613800 is an abundant number, since it is smaller than the sum of its proper divisors (316297080).

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

99613800 is a wasteful number, since it uses less digits than its factorization.

99613800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95 (or 77 counting only the distinct ones).

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

The square root of 99613800 is about 9980.6713201067. The cubic root of 99613800 is about 463.5605852874.

The spelling of 99613800 in words is "ninety-nine million, six hundred thirteen thousand, eight hundred".