99813452 has 24 divisors (see below), whose sum is σ = 178128720. Its totient is φ = 48929600.

The previous prime is 99813421. The next prime is 99813463. The reversal of 99813452 is 25431899.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42074 + ... + 44382.

It is an arithmetic number, because the mean of its divisors is an integer number (7422030).

Almost surely, 2^99813452 is an apocalyptic number.

It is an amenable number.

99813452 is a deficient number, since it is larger than the sum of its proper divisors (78315268).

99813452 is a wasteful number, since it uses less digits than its factorization.

99813452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2521 (or 2519 counting only the distinct ones).

The product of its digits is 77760, while the sum is 41.

The square root of 99813452 is about 9990.6682459183. The cubic root of 99813452 is about 463.8700773282.

The spelling of 99813452 in words is "ninety-nine million, eight hundred thirteen thousand, four hundred fifty-two".