18808364 has 12 divisors (see below), whose sum is σ = 33003264. Its totient is φ = 9378864.

The previous prime is 18808357. The next prime is 18808373. The reversal of 18808364 is 46380881.

It is a super-3 number, since 3×18808364³ (a number of 23 digits) contains 333 as substring.

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, 4607 + ... + 7670.

It is an arithmetic number, because the mean of its divisors is an integer number (2750272).

Almost surely, 2^18808364 is an apocalyptic number.

It is an amenable number.

18808364 is a deficient number, since it is larger than the sum of its proper divisors (14194900).

18808364 is a wasteful number, since it uses less digits than its factorization.

18808364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12664 (or 12662 counting only the distinct ones).

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

The square root of 18808364 is about 4336.8610768619. The cubic root of 18808364 is about 265.9400056907.

The spelling of 18808364 in words is "eighteen million, eight hundred eight thousand, three hundred sixty-four".