18532842 has 8 divisors (see below), whose sum is σ = 37065696. Its totient is φ = 6177612.

The previous prime is 18532831. The next prime is 18532859. The reversal of 18532842 is 24823581.

It is a sphenic number, since it is the product of 3 distinct primes.

18532842 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1544398 + ... + 1544409.

It is an arithmetic number, because the mean of its divisors is an integer number (4633212).

Almost surely, 2^18532842 is an apocalyptic number.

18532842 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

18532842 is a wasteful number, since it uses less digits than its factorization.

18532842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3088812.

The product of its digits is 15360, while the sum is 33.

The square root of 18532842 is about 4304.9787455921. The cubic root of 18532842 is about 264.6350357445.

The spelling of 18532842 in words is "eighteen million, five hundred thirty-two thousand, eight hundred forty-two".