99524428 has 24 divisors (see below), whose sum is σ = 179051040. Its totient is φ = 48385920.

The previous prime is 99524389. The next prime is 99524429. The reversal of 99524428 is 82442599.

It is a happy number.

It is a super-2 number, since 2×99524428² = 19810223537454368, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (99524429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19425 + ... + 24007.

It is an arithmetic number, because the mean of its divisors is an integer number (7460460).

Almost surely, 2^99524428 is an apocalyptic number.

It is an amenable number.

99524428 is a deficient number, since it is larger than the sum of its proper divisors (79526612).

99524428 is a wasteful number, since it uses less digits than its factorization.

99524428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4737 (or 4735 counting only the distinct ones).

The product of its digits is 207360, while the sum is 43.

The square root of 99524428 is about 9976.1930614839. The cubic root of 99524428 is about 463.4219106167.

The spelling of 99524428 in words is "ninety-nine million, five hundred twenty-four thousand, four hundred twenty-eight".