18982716 has 24 divisors (see below), whose sum is σ = 44422224. Its totient is φ = 6309120.

The previous prime is 18982709. The next prime is 18982759. The reversal of 18982716 is 61728981.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2356 + ... + 6596.

It is an arithmetic number, because the mean of its divisors is an integer number (1850926).

Almost surely, 2^18982716 is an apocalyptic number.

It is an amenable number.

18982716 is an abundant number, since it is smaller than the sum of its proper divisors (25439508).

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

18982716 is a wasteful number, since it uses less digits than its factorization.

18982716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4621 (or 4619 counting only the distinct ones).

The product of its digits is 48384, while the sum is 42.

The square root of 18982716 is about 4356.9158816759. The cubic root of 18982716 is about 266.7592268963.

The spelling of 18982716 in words is "eighteen million, nine hundred eighty-two thousand, seven hundred sixteen".