18282992 has 80 divisors (see below), whose sum is σ = 45205440. Its totient is φ = 6967296.

The previous prime is 18282989. The next prime is 18283009. The reversal of 18282992 is 29928281.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42008 + ... + 42440.

It is an arithmetic number, because the mean of its divisors is an integer number (565068).

Almost surely, 2^18282992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18282992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22602720).

18282992 is an abundant number, since it is smaller than the sum of its proper divisors (26922448).

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

18282992 is a wasteful number, since it uses less digits than its factorization.

18282992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490 (or 484 counting only the distinct ones).

The product of its digits is 41472, while the sum is 41.

The square root of 18282992 is about 4275.8615506118. The cubic root of 18282992 is about 263.4404278744.

The spelling of 18282992 in words is "eighteen million, two hundred eighty-two thousand, nine hundred ninety-two".