18234604 has 12 divisors (see below), whose sum is σ = 33590200. Its totient is φ = 8637408.

The previous prime is 18234589. The next prime is 18234611. The reversal of 18234604 is 40643281.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119889 + ... + 120040.

Almost surely, 2^18234604 is an apocalyptic number.

It is an amenable number.

18234604 is a deficient number, since it is larger than the sum of its proper divisors (15355596).

18234604 is a wasteful number, since it uses less digits than its factorization.

18234604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239952 (or 239950 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 18234604 is about 4270.1995269542. The cubic root of 18234604 is about 263.2078142745.

Adding to 18234604 its reverse (40643281), we get a palindrome (58877885).

The spelling of 18234604 in words is "eighteen million, two hundred thirty-four thousand, six hundred four".