18087060 has 48 divisors (see below), whose sum is σ = 50887872. Its totient is φ = 4800000.

The previous prime is 18087053. The next prime is 18087061. The reversal of 18087060 is 6078081.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18087061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14460 + ... + 15660.

It is an arithmetic number, because the mean of its divisors is an integer number (1060164).

Almost surely, 2^18087060 is an apocalyptic number.

18087060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18087060 is an abundant number, since it is smaller than the sum of its proper divisors (32800812).

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

18087060 is a wasteful number, since it uses less digits than its factorization.

18087060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1464 (or 1462 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 30.

The square root of 18087060 is about 4252.8884302319. Note that the first 3 decimals coincide. The cubic root of 18087060 is about 262.4959817979.

The spelling of 18087060 in words is "eighteen million, eighty-seven thousand, sixty".