18495474 has 24 divisors (see below), whose sum is σ = 39044880. Its totient is φ = 5839992.

The previous prime is 18495431. The next prime is 18495517. The reversal of 18495474 is 47459481.

It is an interprime number because it is at equal distance from previous prime (18495431) and next prime (18495517).

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, 2104 + ... + 6435.

It is an arithmetic number, because the mean of its divisors is an integer number (1626870).

Almost surely, 2^18495474 is an apocalyptic number.

18495474 is an abundant number, since it is smaller than the sum of its proper divisors (20549406).

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

18495474 is a wasteful number, since it uses less digits than its factorization.

18495474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8582 (or 8563 counting only the distinct ones).

The product of its digits is 161280, while the sum is 42.

The square root of 18495474 is about 4300.6364645248. The cubic root of 18495474 is about 264.4570537630.

The spelling of 18495474 in words is "eighteen million, four hundred ninety-five thousand, four hundred seventy-four".