18314836 has 6 divisors (see below), whose sum is σ = 32050970. Its totient is φ = 9157416.

The previous prime is 18314833. The next prime is 18314837. The reversal of 18314836 is 63841381.

It can be written as a sum of positive squares in only one way, i.e., 14394436 + 3920400 = 3794^2 + 1980^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18314833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2289351 + ... + 2289358.

Almost surely, 2^18314836 is an apocalyptic number.

It is an amenable number.

18314836 is a deficient number, since it is larger than the sum of its proper divisors (13736134).

18314836 is a wasteful number, since it uses less digits than its factorization.

18314836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4578713 (or 4578711 counting only the distinct ones).

The product of its digits is 13824, while the sum is 34.

The square root of 18314836 is about 4279.5836246065. The cubic root of 18314836 is about 263.5932863570.

It can be divided in two parts, 183148 and 36, that added together give a square (183184 = 428²).

The spelling of 18314836 in words is "eighteen million, three hundred fourteen thousand, eight hundred thirty-six".