99143932 has 12 divisors (see below), whose sum is σ = 183708000. Its totient is φ = 46655936.

The previous prime is 99143927. The next prime is 99143959. The reversal of 99143932 is 23934199.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 728932 + ... + 729067.

It is an arithmetic number, because the mean of its divisors is an integer number (15309000).

Almost surely, 2^99143932 is an apocalyptic number.

It is an amenable number.

99143932 is a deficient number, since it is larger than the sum of its proper divisors (84564068).

99143932 is a wasteful number, since it uses less digits than its factorization.

99143932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1458020 (or 1458018 counting only the distinct ones).

The product of its digits is 52488, while the sum is 40.

The square root of 99143932 is about 9957.1045992296. The cubic root of 99143932 is about 462.8305805044.

The spelling of 99143932 in words is "ninety-nine million, one hundred forty-three thousand, nine hundred thirty-two".