99117412 has 24 divisors (see below), whose sum is σ = 183972600. Its totient is φ = 46563840.

The previous prime is 99117401. The next prime is 99117439. The reversal of 99117412 is 21471199.

It can be written as a sum of positive squares in 4 ways, for example, as 24364096 + 74753316 = 4936^2 + 8646^2 .

It is a super-2 number, since 2×99117412² = 19648522723155488, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63214 + ... + 64762.

It is an arithmetic number, because the mean of its divisors is an integer number (7665525).

Almost surely, 2^99117412 is an apocalyptic number.

It is an amenable number.

99117412 is a deficient number, since it is larger than the sum of its proper divisors (84855188).

99117412 is a wasteful number, since it uses less digits than its factorization.

99117412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2511 (or 2509 counting only the distinct ones).

The product of its digits is 4536, while the sum is 34.

The square root of 99117412 is about 9955.7727977290. The cubic root of 99117412 is about 462.7893093231.

The spelling of 99117412 in words is "ninety-nine million, one hundred seventeen thousand, four hundred twelve".