18069384 has 16 divisors (see below), whose sum is σ = 45173520. Its totient is φ = 6023120.

The previous prime is 18069371. The next prime is 18069473. The reversal of 18069384 is 48396081.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 376422 + ... + 376469.

It is an arithmetic number, because the mean of its divisors is an integer number (2823345).

Almost surely, 2^18069384 is an apocalyptic number.

It is an amenable number.

18069384 is an abundant number, since it is smaller than the sum of its proper divisors (27104136).

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

18069384 is a wasteful number, since it uses less digits than its factorization.

18069384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 752900 (or 752896 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 18069384 is about 4250.8098052018. The cubic root of 18069384 is about 262.4104438263.

The spelling of 18069384 in words is "eighteen million, sixty-nine thousand, three hundred eighty-four".