18975882 has 8 divisors (see below), whose sum is σ = 37951776. Its totient is φ = 6325292.

The previous prime is 18975881. The next prime is 18975967. The reversal of 18975882 is 28857981.

It is a sphenic number, since it is the product of 3 distinct primes.

18975882 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (18975881) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1581318 + ... + 1581329.

It is an arithmetic number, because the mean of its divisors is an integer number (4743972).

Almost surely, 2^18975882 is an apocalyptic number.

18975882 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

18975882 is a wasteful number, since it uses less digits than its factorization.

18975882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3162652.

The product of its digits is 322560, while the sum is 48.

The square root of 18975882 is about 4356.1315407136. The cubic root of 18975882 is about 266.7272109057.

The spelling of 18975882 in words is "eighteen million, nine hundred seventy-five thousand, eight hundred eighty-two".