18736982 has 16 divisors (see below), whose sum is σ = 30935952. Its totient is φ = 8440320.

The previous prime is 18736981. The next prime is 18736997. The reversal of 18736982 is 28963781.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18736981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1283 + ... + 6254.

It is an arithmetic number, because the mean of its divisors is an integer number (1933497).

Almost surely, 2^18736982 is an apocalyptic number.

18736982 is a deficient number, since it is larger than the sum of its proper divisors (12198970).

18736982 is a wasteful number, since it uses less digits than its factorization.

18736982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7663.

The product of its digits is 145152, while the sum is 44.

The square root of 18736982 is about 4328.6235687572. The cubic root of 18736982 is about 265.6031449977.

The spelling of 18736982 in words is "eighteen million, seven hundred thirty-six thousand, nine hundred eighty-two".