18868034 has 4 divisors (see below), whose sum is σ = 28302054. Its totient is φ = 9434016.

The previous prime is 18868021. The next prime is 18868043. The reversal of 18868034 is 43086881.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 18705625 + 162409 = 4325^2 + 403^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4717007 + ... + 4717010.

Almost surely, 2^18868034 is an apocalyptic number.

18868034 is a deficient number, since it is larger than the sum of its proper divisors (9434020).

18868034 is an equidigital number, since it uses as much as digits as its factorization.

18868034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9434019.

The product of its (nonzero) digits is 36864, while the sum is 38.

The square root of 18868034 is about 4343.7350287512. The cubic root of 18868034 is about 266.2209425554.

The spelling of 18868034 in words is "eighteen million, eight hundred sixty-eight thousand, thirty-four".