18498032 has 20 divisors (see below), whose sum is σ = 40960176. Its totient is φ = 7927680.

The previous prime is 18498031. The next prime is 18498037. The reversal of 18498032 is 23089481.

It is a happy number.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 18497983 and 18498001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18498031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82469 + ... + 82692.

Almost surely, 2^18498032 is an apocalyptic number.

It is an amenable number.

18498032 is an abundant number, since it is smaller than the sum of its proper divisors (22462144).

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

18498032 is a wasteful number, since it uses less digits than its factorization.

18498032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165176 (or 165170 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 18498032 is about 4300.9338520838. The cubic root of 18498032 is about 264.4692450331.

The spelling of 18498032 in words is "eighteen million, four hundred ninety-eight thousand, thirty-two".