99830572 has 24 divisors (see below), whose sum is σ = 180668880. Its totient is φ = 48234240.

The previous prime is 99830561. The next prime is 99830573. The reversal of 99830572 is 27503899.

It is a happy number.

It is a super-2 number, since 2×99830572² = 19932286211694368, which contains 22 as substring.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (99830573) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14704 + ... + 20392.

It is an arithmetic number, because the mean of its divisors is an integer number (7527870).

Almost surely, 2^99830572 is an apocalyptic number.

It is an amenable number.

99830572 is a deficient number, since it is larger than the sum of its proper divisors (80838308).

99830572 is a wasteful number, since it uses less digits than its factorization.

99830572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5841 (or 5839 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 43.

The square root of 99830572 is about 9991.5250087261. The cubic root of 99830572 is about 463.8965968055.

The spelling of 99830572 in words is "ninety-nine million, eight hundred thirty thousand, five hundred seventy-two".