18258960 has 40 divisors (see below), whose sum is σ = 56603520. Its totient is φ = 4868992.

The previous prime is 18258959. The next prime is 18258967. The reversal of 18258960 is 6985281.

It is a tau number, because it is divible by the number of its divisors (40).

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (18258967) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37800 + ... + 38279.

It is an arithmetic number, because the mean of its divisors is an integer number (1415088).

Almost surely, 2^18258960 is an apocalyptic number.

18258960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18258960 is an abundant number, since it is smaller than the sum of its proper divisors (38344560).

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

18258960 is a wasteful number, since it uses less digits than its factorization.

18258960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76095 (or 76089 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 39.

The square root of 18258960 is about 4273.0504326535. The cubic root of 18258960 is about 263.3249512189.

The spelling of 18258960 in words is "eighteen million, two hundred fifty-eight thousand, nine hundred sixty".