18310996 has 12 divisors (see below), whose sum is σ = 34957440. Its totient is φ = 8323160.

The previous prime is 18310973. The next prime is 18311011. The reversal of 18310996 is 69901381.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 208036 + ... + 208123.

It is an arithmetic number, because the mean of its divisors is an integer number (2913120).

Almost surely, 2^18310996 is an apocalyptic number.

It is an amenable number.

18310996 is a deficient number, since it is larger than the sum of its proper divisors (16646444).

18310996 is a wasteful number, since it uses less digits than its factorization.

18310996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416174 (or 416172 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 37.

The square root of 18310996 is about 4279.1349593113. The cubic root of 18310996 is about 263.5748628784.

It can be divided in two parts, 18310 and 996, that added together give a triangular number (19306 = T₁₉₆).

The spelling of 18310996 in words is "eighteen million, three hundred ten thousand, nine hundred ninety-six".