18498492 has 36 divisors (see below), whose sum is σ = 47407360. Its totient is φ = 6080832.

The previous prime is 18498479. The next prime is 18498523. The reversal of 18498492 is 29489481.

It is a tau number, because it is divible by the number of its divisors (36).

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, 892 + ... + 6147.

Almost surely, 2^18498492 is an apocalyptic number.

18498492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18498492 is an abundant number, since it is smaller than the sum of its proper divisors (28908868).

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

18498492 is a wasteful number, since it uses less digits than its factorization.

18498492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7122 (or 7117 counting only the distinct ones).

The product of its digits is 165888, while the sum is 45.

The square root of 18498492 is about 4300.9873285096. The cubic root of 18498492 is about 264.4714372455.

The spelling of 18498492 in words is "eighteen million, four hundred ninety-eight thousand, four hundred ninety-two".