18469316 has 12 divisors (see below), whose sum is σ = 32367888. Its totient is φ = 9221352.

The previous prime is 18469309. The next prime is 18469337. The reversal of 18469316 is 61396481.

It is a super-2 number, since 2×18469316² = 682231267015712, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 18469316.

It is an unprimeable number.

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, 215 + ... + 6081.

It is an arithmetic number, because the mean of its divisors is an integer number (2697324).

Almost surely, 2^18469316 is an apocalyptic number.

It is an amenable number.

18469316 is a deficient number, since it is larger than the sum of its proper divisors (13898572).

18469316 is a wasteful number, since it uses less digits than its factorization.

18469316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6658 (or 6656 counting only the distinct ones).

The product of its digits is 31104, while the sum is 38.

The square root of 18469316 is about 4297.5942107184. The cubic root of 18469316 is about 264.3323217812.

The spelling of 18469316 in words is "eighteen million, four hundred sixty-nine thousand, three hundred sixteen".