18349036 has 12 divisors (see below), whose sum is σ = 32142040. Its totient is φ = 9165600.

The previous prime is 18349031. The next prime is 18349043. The reversal of 18349036 is 63094381.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 18348992 and 18349010.

It is not an unprimeable number, because it can be changed into a prime (18349031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5011 + ... + 7861.

Almost surely, 2^18349036 is an apocalyptic number.

It is an amenable number.

18349036 is a deficient number, since it is larger than the sum of its proper divisors (13793004).

18349036 is a wasteful number, since it uses less digits than its factorization.

18349036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4464 (or 4462 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 18349036 is about 4283.5774768294. The cubic root of 18349036 is about 263.7572569748.

The spelling of 18349036 in words is "eighteen million, three hundred forty-nine thousand, thirty-six".