18973024 has 24 divisors (see below), whose sum is σ = 42689808. Its totient is φ = 8131200.

The previous prime is 18972997. The next prime is 18973049. The reversal of 18973024 is 42037981.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42127 + ... + 42574.

It is an arithmetic number, because the mean of its divisors is an integer number (1778742).

Almost surely, 2^18973024 is an apocalyptic number.

18973024 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

18973024 is an abundant number, since it is smaller than the sum of its proper divisors (23716784).

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

18973024 is an equidigital number, since it uses as much as digits as its factorization.

18973024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84718 (or 84710 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 18973024 is about 4355.8034850071. The cubic root of 18973024 is about 266.7138194396.

The spelling of 18973024 in words is "eighteen million, nine hundred seventy-three thousand, twenty-four".