18442592 has 48 divisors (see below), whose sum is σ = 41785632. Its totient is φ = 7848960.

The previous prime is 18442553. The next prime is 18442601. The reversal of 18442592 is 29524481.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62798 + ... + 63090.

It is an arithmetic number, because the mean of its divisors is an integer number (870534).

Almost surely, 2^18442592 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 18442592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20892816).

18442592 is an abundant number, since it is smaller than the sum of its proper divisors (23343040).

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

18442592 is a wasteful number, since it uses less digits than its factorization.

18442592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 591 (or 583 counting only the distinct ones).

The product of its digits is 23040, while the sum is 35.

The square root of 18442592 is about 4294.4839038003. The cubic root of 18442592 is about 264.2047692001.

The spelling of 18442592 in words is "eighteen million, four hundred forty-two thousand, five hundred ninety-two".