18495492 has 12 divisors (see below), whose sum is σ = 43156176. Its totient is φ = 6165160.

The previous prime is 18495431. The next prime is 18495517. The reversal of 18495492 is 29459481.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 770634 + ... + 770657.

It is an arithmetic number, because the mean of its divisors is an integer number (3596348).

Almost surely, 2^18495492 is an apocalyptic number.

18495492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18495492 is an abundant number, since it is smaller than the sum of its proper divisors (24660684).

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

18495492 is a wasteful number, since it uses less digits than its factorization.

18495492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1541298 (or 1541296 counting only the distinct ones).

The product of its digits is 103680, while the sum is 42.

The square root of 18495492 is about 4300.6385572378. The cubic root of 18495492 is about 264.4571395538.

It can be divided in two parts, 18 and 495492, that added together give a triangular number (495510 = T₉₉₅).

The spelling of 18495492 in words is "eighteen million, four hundred ninety-five thousand, four hundred ninety-two".