18869334 has 32 divisors (see below), whose sum is σ = 42287616. Its totient is φ = 5562720.

The previous prime is 18869329. The next prime is 18869339. The reversal of 18869334 is 43396881.

18869334 = 281² + 282² + ... + 428².

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (18869329) and next prime (18869339).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18869339) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1422 + ... + 6305.

It is an arithmetic number, because the mean of its divisors is an integer number (1321488).

Almost surely, 2^18869334 is an apocalyptic number.

18869334 is an abundant number, since it is smaller than the sum of its proper divisors (23418282).

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

18869334 is a wasteful number, since it uses less digits than its factorization.

18869334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7780.

The product of its digits is 124416, while the sum is 42.

The square root of 18869334 is about 4343.8846669772. The cubic root of 18869334 is about 266.2270565872.

The spelling of 18869334 in words is "eighteen million, eight hundred sixty-nine thousand, three hundred thirty-four".