18886960 has 20 divisors (see below), whose sum is σ = 43912368. Its totient is φ = 7554752.

The previous prime is 18886951. The next prime is 18886963. The reversal of 18886960 is 6968881.

It is a tau number, because it is divible by the number of its divisors (20).

It is a self number, because there is not a number n which added to its sum of digits gives 18886960.

It is not an unprimeable number, because it can be changed into a prime (18886963) 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, 117964 + ... + 118123.

Almost surely, 2^18886960 is an apocalyptic number.

18886960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18886960 is an abundant number, since it is smaller than the sum of its proper divisors (25025408).

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

18886960 is a wasteful number, since it uses less digits than its factorization.

18886960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236100 (or 236094 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 46.

The square root of 18886960 is about 4345.9130225995. The cubic root of 18886960 is about 266.3099257503.

The spelling of 18886960 in words is "eighteen million, eight hundred eighty-six thousand, nine hundred sixty".