99817914 has 32 divisors (see below), whose sum is σ = 241577856. Its totient is φ = 26841600.

The previous prime is 99817909. The next prime is 99817933. The reversal of 99817914 is 41971899.

It is a super-2 number, since 2×99817914² = 19927231910622792, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69187 + ... + 70614.

It is an arithmetic number, because the mean of its divisors is an integer number (7549308).

Almost surely, 2^99817914 is an apocalyptic number.

99817914 is an abundant number, since it is smaller than the sum of its proper divisors (141759942).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

99817914 is a wasteful number, since it uses less digits than its factorization.

99817914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139830.

The product of its digits is 163296, while the sum is 48.

The square root of 99817914 is about 9990.8915518086. The cubic root of 99817914 is about 463.8769894141.

The spelling of 99817914 in words is "ninety-nine million, eight hundred seventeen thousand, nine hundred fourteen".