18842952 has 16 divisors (see below), whose sum is σ = 47107440. Its totient is φ = 6280976.

The previous prime is 18842951. The next prime is 18842959. The reversal of 18842952 is 25924881.

It is a self number, because there is not a number n which added to its sum of digits gives 18842952.

It is not an unprimeable number, because it can be changed into a prime (18842951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 392538 + ... + 392585.

It is an arithmetic number, because the mean of its divisors is an integer number (2944215).

Almost surely, 2^18842952 is an apocalyptic number.

18842952 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18842952 is an abundant number, since it is smaller than the sum of its proper divisors (28264488).

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

18842952 is a wasteful number, since it uses less digits than its factorization.

18842952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 785132 (or 785128 counting only the distinct ones).

The product of its digits is 46080, while the sum is 39.

The square root of 18842952 is about 4340.8469219727. The cubic root of 18842952 is about 266.1029243473.

The spelling of 18842952 in words is "eighteen million, eight hundred forty-two thousand, nine hundred fifty-two".