99879224 has 16 divisors (see below), whose sum is σ = 187601400. Its totient is φ = 49852192.

The previous prime is 99879217. The next prime is 99879229. The reversal of 99879224 is 42297899.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99879229) 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, 5939 + ... + 15330.

Almost surely, 2^99879224 is an apocalyptic number.

It is an amenable number.

99879224 is a deficient number, since it is larger than the sum of its proper divisors (87722176).

99879224 is a wasteful number, since it uses less digits than its factorization.

99879224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21862 (or 21858 counting only the distinct ones).

The product of its digits is 653184, while the sum is 50.

The square root of 99879224 is about 9993.9593755428. The cubic root of 99879224 is about 463.9719439041.

The spelling of 99879224 in words is "ninety-nine million, eight hundred seventy-nine thousand, two hundred twenty-four".