18590052 has 48 divisors (see below), whose sum is σ = 46992960. Its totient is φ = 5685888.

The previous prime is 18590029. The next prime is 18590057. The reversal of 18590052 is 25009581.

It is not an unprimeable number, because it can be changed into a prime (18590057) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41743 + ... + 42185.

It is an arithmetic number, because the mean of its divisors is an integer number (979020).

Almost surely, 2^18590052 is an apocalyptic number.

18590052 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 18590052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23496480).

18590052 is an abundant number, since it is smaller than the sum of its proper divisors (28402908).

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

18590052 is a wasteful number, since it uses less digits than its factorization.

18590052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 732 (or 730 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 30.

The square root of 18590052 is about 4311.6182576847. The cubic root of 18590052 is about 264.9070612740.

The spelling of 18590052 in words is "eighteen million, five hundred ninety thousand, fifty-two".