18465048 has 48 divisors (see below), whose sum is σ = 57155280. Its totient is φ = 5275584.

The previous prime is 18465001. The next prime is 18465061. The reversal of 18465048 is 84056481.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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, 17815 + ... + 18822.

It is an arithmetic number, because the mean of its divisors is an integer number (1190735).

Almost surely, 2^18465048 is an apocalyptic number.

18465048 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

18465048 is an abundant number, since it is smaller than the sum of its proper divisors (38690232).

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

18465048 is a wasteful number, since it uses less digits than its factorization.

18465048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36656 (or 36649 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 18465048 is about 4297.0976251419. The cubic root of 18465048 is about 264.3119590480.

The spelling of 18465048 in words is "eighteen million, four hundred sixty-five thousand, forty-eight".