18883242 has 24 divisors (see below), whose sum is σ = 46758816. Its totient is φ = 5395176.

The previous prime is 18883201. The next prime is 18883259. The reversal of 18883242 is 24238881.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 18883197 and 18883206.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 74808 + ... + 75059.

It is an arithmetic number, because the mean of its divisors is an integer number (1948284).

Almost surely, 2^18883242 is an apocalyptic number.

18883242 is an abundant number, since it is smaller than the sum of its proper divisors (27875574).

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

18883242 is a wasteful number, since it uses less digits than its factorization.

18883242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149882 (or 149879 counting only the distinct ones).

The product of its digits is 24576, while the sum is 36.

The square root of 18883242 is about 4345.4852433301. The cubic root of 18883242 is about 266.2924497548.

The spelling of 18883242 in words is "eighteen million, eight hundred eighty-three thousand, two hundred forty-two".