99491524 has 72 divisors (see below), whose sum is σ = 208544000. Its totient is φ = 41342400.

The previous prime is 99491521. The next prime is 99491591. The reversal of 99491524 is 42519499.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99491521) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 284902 + ... + 285250.

Almost surely, 2^99491524 is an apocalyptic number.

It is an amenable number.

99491524 is an abundant number, since it is smaller than the sum of its proper divisors (109052476).

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

99491524 is a wasteful number, since it uses less digits than its factorization.

99491524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425 (or 412 counting only the distinct ones).

The product of its digits is 116640, while the sum is 43.

The square root of 99491524 is about 9974.5437990918. The cubic root of 99491524 is about 463.3708339930.

The spelling of 99491524 in words is "ninety-nine million, four hundred ninety-one thousand, five hundred twenty-four".