18864060 has 24 divisors (see below), whose sum is σ = 52819536. Its totient is φ = 5030400.

The previous prime is 18864047. The next prime is 18864091. The reversal of 18864060 is 6046881.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157141 + ... + 157260.

It is an arithmetic number, because the mean of its divisors is an integer number (2200814).

Almost surely, 2^18864060 is an apocalyptic number.

18864060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18864060 is an abundant number, since it is smaller than the sum of its proper divisors (33955476).

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

18864060 is a wasteful number, since it uses less digits than its factorization.

18864060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314413 (or 314411 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 18864060 is about 4343.2775642365. The cubic root of 18864060 is about 266.2022506891.

The spelling of 18864060 in words is "eighteen million, eight hundred sixty-four thousand, sixty".