18086952 has 64 divisors (see below), whose sum is σ = 50400000. Its totient is φ = 5370624.

The previous prime is 18086941. The next prime is 18086983. The reversal of 18086952 is 25968081.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 18086952.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8049 + ... + 10047.

It is an arithmetic number, because the mean of its divisors is an integer number (787500).

Almost surely, 2^18086952 is an apocalyptic number.

18086952 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 18086952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25200000).

18086952 is an abundant number, since it is smaller than the sum of its proper divisors (32313048).

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

18086952 is a wasteful number, since it uses less digits than its factorization.

18086952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2050 (or 2046 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 39.

The square root of 18086952 is about 4252.8757329600. The cubic root of 18086952 is about 262.4954593319.

The spelling of 18086952 in words is "eighteen million, eighty-six thousand, nine hundred fifty-two".