18986052 has 12 divisors (see below), whose sum is σ = 44300816. Its totient is φ = 6328680.

The previous prime is 18986047. The next prime is 18986057. The reversal of 18986052 is 25068981.

It is an interprime number because it is at equal distance from previous prime (18986047) and next prime (18986057).

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 18986052.

It is not an unprimeable number, because it can be changed into a prime (18986057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 791074 + ... + 791097.

Almost surely, 2^18986052 is an apocalyptic number.

18986052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18986052 is an abundant number, since it is smaller than the sum of its proper divisors (25314764).

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

18986052 is a wasteful number, since it uses less digits than its factorization.

18986052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1582178 (or 1582176 counting only the distinct ones).

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

The square root of 18986052 is about 4357.2987044728. The cubic root of 18986052 is about 266.7748526311.

The spelling of 18986052 in words is "eighteen million, nine hundred eighty-six thousand, fifty-two".