98999992 has 48 divisors (see below), whose sum is σ = 232553160. Its totient is φ = 39162816.

The previous prime is 98999987. The next prime is 99000007. The reversal of 98999992 is 29999989.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4618 + ... + 14809.

Almost surely, 2^98999992 is an apocalyptic number.

It is an amenable number.

98999992 is an abundant number, since it is smaller than the sum of its proper divisors (133553168).

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

98999992 is a wasteful number, since it uses less digits than its factorization.

98999992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19460 (or 19449 counting only the distinct ones).

The product of its digits is 8503056, while the sum is 64.

The square root of 98999992 is about 9949.8739690511. The cubic root of 98999992 is about 462.6064884575.

It can be divided in two parts, 9899 and 9992, that added together give a palindrome (19891).

The spelling of 98999992 in words is "ninety-eight million, nine hundred ninety-nine thousand, nine hundred ninety-two".