18360948 has 48 divisors (see below), whose sum is σ = 44622144. Its totient is φ = 5871360.

The previous prime is 18360931. The next prime is 18360971. The reversal of 18360948 is 84906381.

It is a super-2 number, since 2×18360948² = 674248822917408, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32686 + ... + 33242.

It is an arithmetic number, because the mean of its divisors is an integer number (929628).

Almost surely, 2^18360948 is an apocalyptic number.

It is an amenable number.

18360948 is an abundant number, since it is smaller than the sum of its proper divisors (26261196).

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

18360948 is a wasteful number, since it uses less digits than its factorization.

18360948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672 (or 670 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 18360948 is about 4284.9676778244. The cubic root of 18360948 is about 263.8143207683.

The spelling of 18360948 in words is "eighteen million, three hundred sixty thousand, nine hundred forty-eight".