18869464 has 16 divisors (see below), whose sum is σ = 35580600. Its totient is φ = 9381312.

The previous prime is 18869449. The next prime is 18869467. The reversal of 18869464 is 46496881.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18869467) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5157 + ... + 8020.

Almost surely, 2^18869464 is an apocalyptic number.

It is an amenable number.

18869464 is a deficient number, since it is larger than the sum of its proper divisors (16711136).

18869464 is a wasteful number, since it uses less digits than its factorization.

18869464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13362 (or 13358 counting only the distinct ones).

The product of its digits is 331776, while the sum is 46.

The square root of 18869464 is about 4343.8996305163. The cubic root of 18869464 is about 266.2276679749.

The spelling of 18869464 in words is "eighteen million, eight hundred sixty-nine thousand, four hundred sixty-four".