99499498 has 16 divisors (see below), whose sum is σ = 174052800. Its totient is φ = 42642348.

The previous prime is 99499483. The next prime is 99499507. The reversal of 99499498 is 89499499.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71836 + ... + 73207.

It is an arithmetic number, because the mean of its divisors is an integer number (10878300).

Almost surely, 2^99499498 is an apocalyptic number.

99499498 is a gapful number since it is divisible by the number (98) formed by its first and last digit.

99499498 is a deficient number, since it is larger than the sum of its proper divisors (74553302).

99499498 is a wasteful number, since it uses less digits than its factorization.

99499498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145066 (or 145052 counting only the distinct ones).

The product of its digits is 7558272, while the sum is 61.

The square root of 99499498 is about 9974.9435086120. The cubic root of 99499498 is about 463.3832130050.

Subtracting from 99499498 its reverse (89499499), we obtain a palindrome (9999999).

The spelling of 99499498 in words is "ninety-nine million, four hundred ninety-nine thousand, four hundred ninety-eight".