18480632 has 16 divisors (see below), whose sum is σ = 36689760. Its totient is φ = 8696704.

The previous prime is 18480611. The next prime is 18480647. The reversal of 18480632 is 23608481.

It is a congruent number.

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, 67808 + ... + 68079.

It is an arithmetic number, because the mean of its divisors is an integer number (2293110).

Almost surely, 2^18480632 is an apocalyptic number.

It is an amenable number.

18480632 is a deficient number, since it is larger than the sum of its proper divisors (18209128).

18480632 is a wasteful number, since it uses less digits than its factorization.

18480632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135910 (or 135906 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 18480632 is about 4298.9105596651. The cubic root of 18480632 is about 264.3862955156.

The spelling of 18480632 in words is "eighteen million, four hundred eighty thousand, six hundred thirty-two".