18985352 has 8 divisors (see below), whose sum is σ = 35597550. Its totient is φ = 9492672.

The previous prime is 18985339. The next prime is 18985367. The reversal of 18985352 is 25358981.

It can be written as a sum of positive squares in only one way, i.e., 13060996 + 5924356 = 3614^2 + 2434^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1186577 + ... + 1186592.

Almost surely, 2^18985352 is an apocalyptic number.

It is an amenable number.

18985352 is a deficient number, since it is larger than the sum of its proper divisors (16612198).

18985352 is a wasteful number, since it uses less digits than its factorization.

18985352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2373175 (or 2373171 counting only the distinct ones).

The product of its digits is 86400, while the sum is 41.

The square root of 18985352 is about 4357.2183787366. The cubic root of 18985352 is about 266.7715740016.

The spelling of 18985352 in words is "eighteen million, nine hundred eighty-five thousand, three hundred fifty-two".