18282942 has 16 divisors (see below), whose sum is σ = 40628880. Its totient is φ = 6094296.

The previous prime is 18282941. The next prime is 18282947. The reversal of 18282942 is 24928281.

It is a junction number, because it is equal to n+sod(n) for n = 18282897 and 18282906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18282941) 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, 169233 + ... + 169340.

It is an arithmetic number, because the mean of its divisors is an integer number (2539305).

Almost surely, 2^18282942 is an apocalyptic number.

18282942 is an abundant number, since it is smaller than the sum of its proper divisors (22345938).

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

18282942 is a wasteful number, since it uses less digits than its factorization.

18282942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338584 (or 338578 counting only the distinct ones).

The product of its digits is 18432, while the sum is 36.

The square root of 18282942 is about 4275.8557038329. The cubic root of 18282942 is about 263.4401877235.

The spelling of 18282942 in words is "eighteen million, two hundred eighty-two thousand, nine hundred forty-two".