18308796 has 96 divisors (see below), whose sum is σ = 50803200. Its totient is φ = 5068800.

The previous prime is 18308789. The next prime is 18308819. The reversal of 18308796 is 69780381.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 91905 + ... + 92103.

It is an arithmetic number, because the mean of its divisors is an integer number (529200).

Almost surely, 2^18308796 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18308796, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25401600).

18308796 is an abundant number, since it is smaller than the sum of its proper divisors (32494404).

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

18308796 is a wasteful number, since it uses less digits than its factorization.

18308796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275 (or 273 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 18308796 is about 4278.8778902885. The cubic root of 18308796 is about 263.5643065998.

The spelling of 18308796 in words is "eighteen million, three hundred eight thousand, seven hundred ninety-six".