18926982 has 12 divisors (see below), whose sum is σ = 41008500. Its totient is φ = 6308988.

The previous prime is 18926981. The next prime is 18926987. The reversal of 18926982 is 28962981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18926981) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 525732 + ... + 525767.

It is an arithmetic number, because the mean of its divisors is an integer number (3417375).

Almost surely, 2^18926982 is an apocalyptic number.

18926982 is an abundant number, since it is smaller than the sum of its proper divisors (22081518).

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

18926982 is a wasteful number, since it uses less digits than its factorization.

18926982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1051507 (or 1051504 counting only the distinct ones).

The product of its digits is 124416, while the sum is 45.

The square root of 18926982 is about 4350.5151419114. The cubic root of 18926982 is about 266.4978991160.

The spelling of 18926982 in words is "eighteen million, nine hundred twenty-six thousand, nine hundred eighty-two".