18982375 has 16 divisors (see below), whose sum is σ = 23849280. Its totient is φ = 15084000.

The previous prime is 18982339. The next prime is 18982391. The reversal of 18982375 is 57328981.

It is not a de Polignac number, because 18982375 - 2¹⁷ = 18851303 is a prime.

It is a congruent number.

It is an unprimeable number.

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, 22206 + ... + 23044.

It is an arithmetic number, because the mean of its divisors is an integer number (1490580).

Almost surely, 2^18982375 is an apocalyptic number.

18982375 is a deficient number, since it is larger than the sum of its proper divisors (4866905).

18982375 is an equidigital number, since it uses as much as digits as its factorization.

18982375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1035 (or 1025 counting only the distinct ones).

The product of its digits is 120960, while the sum is 43.

The square root of 18982375 is about 4356.8767483141. The cubic root of 18982375 is about 266.7576295583.

The spelling of 18982375 in words is "eighteen million, nine hundred eighty-two thousand, three hundred seventy-five".