18487052 has 12 divisors (see below), whose sum is σ = 32415936. Its totient is φ = 9225360.

The previous prime is 18487039. The next prime is 18487061. The reversal of 18487052 is 25078481.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2108 + ... + 6435.

It is an arithmetic number, because the mean of its divisors is an integer number (2701328).

Almost surely, 2^18487052 is an apocalyptic number.

It is an amenable number.

18487052 is a deficient number, since it is larger than the sum of its proper divisors (13928884).

18487052 is a wasteful number, since it uses less digits than its factorization.

18487052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9088 (or 9086 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 35.

The square root of 18487052 is about 4299.6571956378. The cubic root of 18487052 is about 264.4169070861.

The spelling of 18487052 in words is "eighteen million, four hundred eighty-seven thousand, fifty-two".