18057852 has 72 divisors (see below), whose sum is σ = 48301344. Its totient is φ = 5677056.

The previous prime is 18057839. The next prime is 18057863. The reversal of 18057852 is 25875081.

18057852 is a `hidden beast` number, since 1 + 80 + 578 + 5 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 93468 + ... + 93660.

It is an arithmetic number, because the mean of its divisors is an integer number (670852).

Almost surely, 2^18057852 is an apocalyptic number.

18057852 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18057852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24150672).

18057852 is an abundant number, since it is smaller than the sum of its proper divisors (30243492).

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

18057852 is a wasteful number, since it uses less digits than its factorization.

18057852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339 (or 334 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 36.

The square root of 18057852 is about 4249.4531412877. The cubic root of 18057852 is about 262.3546079213.

The spelling of 18057852 in words is "eighteen million, fifty-seven thousand, eight hundred fifty-two".