99183998 has 4 divisors (see below), whose sum is σ = 148776000. Its totient is φ = 49591998.

The previous prime is 99183991. The next prime is 99184021. The reversal of 99183998 is 89938199.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 89938199 = 13 ⋅6918323.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99183991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24795998 + ... + 24796001.

It is an arithmetic number, because the mean of its divisors is an integer number (37194000).

Almost surely, 2^99183998 is an apocalyptic number.

99183998 is a deficient number, since it is larger than the sum of its proper divisors (49592002).

99183998 is a wasteful number, since it uses less digits than its factorization.

99183998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49592001.

The product of its digits is 1259712, while the sum is 56.

The square root of 99183998 is about 9959.1163262611. The cubic root of 99183998 is about 462.8929184013.

The spelling of 99183998 in words is "ninety-nine million, one hundred eighty-three thousand, nine hundred ninety-eight".