18808960 has 32 divisors (see below), whose sum is σ = 44966700. Its totient is φ = 7523328.

The previous prime is 18808957. The next prime is 18808967. The reversal of 18808960 is 6980881.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 18181696 + 627264 = 4264^2 + 792^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (18808967) 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, 14055 + ... + 15334.

Almost surely, 2^18808960 is an apocalyptic number.

18808960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18808960 is an abundant number, since it is smaller than the sum of its proper divisors (26157740).

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

18808960 is an equidigital number, since it uses as much as digits as its factorization.

18808960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29408 (or 29396 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 40.

The square root of 18808960 is about 4336.9297896092. The cubic root of 18808960 is about 265.9428146993.

The spelling of 18808960 in words is "eighteen million, eight hundred eight thousand, nine hundred sixty".