99930576 has 120 divisors (see below), whose sum is σ = 279684480. Its totient is φ = 30730752.

The previous prime is 99930569. The next prime is 99930587. The reversal of 99930576 is 67503999.

It is a happy number.

It is a super-2 number, since 2×99930576² = 19972240039383552, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1264905 + ... + 1264983.

It is an arithmetic number, because the mean of its divisors is an integer number (2330704).

Almost surely, 2^99930576 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99930576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139842240).

99930576 is an abundant number, since it is smaller than the sum of its proper divisors (179753904).

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

99930576 is a wasteful number, since it uses less digits than its factorization.

99930576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201 (or 176 counting only the distinct ones).

The product of its (nonzero) digits is 459270, while the sum is 48.

The square root of 99930576 is about 9996.5281973293. The cubic root of 99930576 is about 464.0514459406.

The spelling of 99930576 in words is "ninety-nine million, nine hundred thirty thousand, five hundred seventy-six".