99998492 has 48 divisors (see below), whose sum is σ = 196553952. Its totient is φ = 44129280.

The previous prime is 99998491. The next prime is 99998497. The reversal of 99998492 is 29489999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99998491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 319328 + ... + 319640.

It is an arithmetic number, because the mean of its divisors is an integer number (4094874).

Almost surely, 2^99998492 is an apocalyptic number.

It is an amenable number.

99998492 is a deficient number, since it is larger than the sum of its proper divisors (96555460).

99998492 is a wasteful number, since it uses less digits than its factorization.

99998492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518 (or 516 counting only the distinct ones).

The product of its digits is 3779136, while the sum is 59.

The square root of 99998492 is about 9999.9245997157. The cubic root of 99998492 is about 464.1565501776.

The spelling of 99998492 in words is "ninety-nine million, nine hundred ninety-eight thousand, four hundred ninety-two".