18854375 has 20 divisors (see below), whose sum is σ = 23879856. Its totient is φ = 14880000.

The previous prime is 18854371. The next prime is 18854387. The reversal of 18854375 is 57345881.

It is not a de Polignac number, because 18854375 - 2² = 18854371 is a prime.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18854371) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 60470 + ... + 60780.

Almost surely, 2^18854375 is an apocalyptic number.

18854375 is a deficient number, since it is larger than the sum of its proper divisors (5025481).

18854375 is an frugal number, since it uses more digits than its factorization.

18854375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428 (or 413 counting only the distinct ones).

The product of its digits is 134400, while the sum is 41.

The square root of 18854375 is about 4342.1624796868. The cubic root of 18854375 is about 266.1566859106.

The spelling of 18854375 in words is "eighteen million, eight hundred fifty-four thousand, three hundred seventy-five".