99535872 has 44 divisors (see below), whose sum is σ = 265307576. Its totient is φ = 33177600.

The previous prime is 99535853. The next prime is 99535873. The reversal of 99535872 is 27853599.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (99535873) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13129 + ... + 19272.

Almost surely, 2^99535872 is an apocalyptic number.

It is an amenable number.

99535872 is an abundant number, since it is smaller than the sum of its proper divisors (165771704).

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

99535872 is a wasteful number, since it uses less digits than its factorization.

99535872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32424 (or 32406 counting only the distinct ones).

The product of its digits is 680400, while the sum is 48.

The square root of 99535872 is about 9976.7666104806. The cubic root of 99535872 is about 463.4396724105.

The spelling of 99535872 in words is "ninety-nine million, five hundred thirty-five thousand, eight hundred seventy-two".