99491498 has 16 divisors (see below), whose sum is σ = 151424640. Its totient is φ = 49020576.

The previous prime is 99491479. The next prime is 99491507. The reversal of 99491498 is 89419499.

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, 64565 + ... + 66087.

It is an arithmetic number, because the mean of its divisors is an integer number (9464040).

Almost surely, 2^99491498 is an apocalyptic number.

99491498 is a deficient number, since it is larger than the sum of its proper divisors (51933142).

99491498 is a wasteful number, since it uses less digits than its factorization.

99491498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1981.

The product of its digits is 839808, while the sum is 53.

The square root of 99491498 is about 9974.5424957739. The cubic root of 99491498 is about 463.3707936289.

The spelling of 99491498 in words is "ninety-nine million, four hundred ninety-one thousand, four hundred ninety-eight".