18675850 has 12 divisors (see below), whose sum is σ = 34737174. Its totient is φ = 7470320.

The previous prime is 18675829. The next prime is 18675851. The reversal of 18675850 is 5857681.

It can be written as a sum of positive squares in 3 ways, for example, as 18173169 + 502681 = 4263^2 + 709^2 .

It is not an unprimeable number, because it can be changed into a prime (18675851) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 186709 + ... + 186808.

Almost surely, 2^18675850 is an apocalyptic number.

18675850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18675850 is a deficient number, since it is larger than the sum of its proper divisors (16061324).

18675850 is a wasteful number, since it uses less digits than its factorization.

18675850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373529 (or 373524 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 40.

The square root of 18675850 is about 4321.5564325831. The cubic root of 18675850 is about 265.3139745955.

The spelling of 18675850 in words is "eighteen million, six hundred seventy-five thousand, eight hundred fifty".