18880382 has 8 divisors (see below), whose sum is σ = 28340400. Its totient is φ = 9433584.

The previous prime is 18880369. The next prime is 18880403. The reversal of 18880382 is 28308881.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1919 + ... + 6437.

It is an arithmetic number, because the mean of its divisors is an integer number (3542550).

Almost surely, 2^18880382 is an apocalyptic number.

18880382 is a deficient number, since it is larger than the sum of its proper divisors (9460018).

18880382 is a wasteful number, since it uses less digits than its factorization.

18880382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6610.

The product of its (nonzero) digits is 24576, while the sum is 38.

The square root of 18880382 is about 4345.1561536957. The cubic root of 18880382 is about 266.2790051203.

The spelling of 18880382 in words is "eighteen million, eight hundred eighty thousand, three hundred eighty-two".