18349396 has 24 divisors (see below), whose sum is σ = 35700224. Its totient is φ = 8195040.

The previous prime is 18349381. The next prime is 18349417. The reversal of 18349396 is 69394381.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4080 + ... + 7303.

Almost surely, 2^18349396 is an apocalyptic number.

It is an amenable number.

18349396 is a deficient number, since it is larger than the sum of its proper divisors (17350828).

18349396 is a wasteful number, since it uses less digits than its factorization.

18349396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11431 (or 11429 counting only the distinct ones).

The product of its digits is 139968, while the sum is 43.

The square root of 18349396 is about 4283.6194975745. The cubic root of 18349396 is about 263.7589818973.

The spelling of 18349396 in words is "eighteen million, three hundred forty-nine thousand, three hundred ninety-six".