18459796 has 12 divisors (see below), whose sum is σ = 32432148. Its totient is φ = 9193472.

The previous prime is 18459761. The next prime is 18459797. The reversal of 18459796 is 69795481.

It can be written as a sum of positive squares in 2 ways, for example, as 18369796 + 90000 = 4286^2 + 300^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18459797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7951 + ... + 10006.

It is an arithmetic number, because the mean of its divisors is an integer number (2702679).

Almost surely, 2^18459796 is an apocalyptic number.

It is an amenable number.

18459796 is a deficient number, since it is larger than the sum of its proper divisors (13972352).

18459796 is a wasteful number, since it uses less digits than its factorization.

18459796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18218 (or 18216 counting only the distinct ones).

The product of its digits is 544320, while the sum is 49.

The square root of 18459796 is about 4296.4864715253. The cubic root of 18459796 is about 264.2868973198.

The spelling of 18459796 in words is "eighteen million, four hundred fifty-nine thousand, seven hundred ninety-six".