18483564 has 48 divisors (see below), whose sum is σ = 48577536. Its totient is φ = 5419200.

The previous prime is 18483557. The next prime is 18483571. The reversal of 18483564 is 46538481.

It is an interprime number because it is at equal distance from previous prime (18483557) and next prime (18483571).

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, 1834 + ... + 6350.

It is an arithmetic number, because the mean of its divisors is an integer number (1012032).

Almost surely, 2^18483564 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 18483564, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24288768).

18483564 is an abundant number, since it is smaller than the sum of its proper divisors (30093972).

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

18483564 is a wasteful number, since it uses less digits than its factorization.

18483564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4566 (or 4564 counting only the distinct ones).

The product of its digits is 92160, while the sum is 39.

The square root of 18483564 is about 4299.2515627723. The cubic root of 18483564 is about 264.4002766325.

The spelling of 18483564 in words is "eighteen million, four hundred eighty-three thousand, five hundred sixty-four".