99998372 has 12 divisors (see below), whose sum is σ = 175228956. Its totient is φ = 49932960.

The previous prime is 99998363. The next prime is 99998377. The reversal of 99998372 is 27389999.

It can be written as a sum of positive squares in 2 ways, for example, as 8145316 + 91853056 = 2854^2 + 9584^2 .

It is not an unprimeable number, because it can be changed into a prime (99998377) 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, 13079 + ... + 19262.

It is an arithmetic number, because the mean of its divisors is an integer number (14602413).

Almost surely, 2^99998372 is an apocalyptic number.

It is an amenable number.

99998372 is a deficient number, since it is larger than the sum of its proper divisors (75230584).

99998372 is a wasteful number, since it uses less digits than its factorization.

99998372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33118 (or 33116 counting only the distinct ones).

The product of its digits is 2204496, while the sum is 56.

The square root of 99998372 is about 9999.9185996687. The cubic root of 99998372 is about 464.1563645121.

The spelling of 99998372 in words is "ninety-nine million, nine hundred ninety-eight thousand, three hundred seventy-two".