18424960 has 32 divisors (see below), whose sum is σ = 44048700. Its totient is φ = 7369728.

The previous prime is 18424951. The next prime is 18424961. The reversal of 18424960 is 6942481.

It can be written as a sum of positive squares in 2 ways, for example, as 18045504 + 379456 = 4248^2 + 616^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (18424961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13755 + ... + 15034.

Almost surely, 2^18424960 is an apocalyptic number.

18424960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18424960 is an abundant number, since it is smaller than the sum of its proper divisors (25623740).

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

18424960 is an equidigital number, since it uses as much as digits as its factorization.

18424960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28808 (or 28796 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 18424960 is about 4292.4305469046. The cubic root of 18424960 is about 264.1205448885.

The spelling of 18424960 in words is "eighteen million, four hundred twenty-four thousand, nine hundred sixty".