18149326 has 8 divisors (see below), whose sum is σ = 29318184. Its totient is φ = 8376600.

The previous prime is 18149309. The next prime is 18149363. The reversal of 18149326 is 62394181.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 18149291 and 18149300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 349000 + ... + 349051.

It is an arithmetic number, because the mean of its divisors is an integer number (3664773).

Almost surely, 2^18149326 is an apocalyptic number.

18149326 is a deficient number, since it is larger than the sum of its proper divisors (11168858).

18149326 is a wasteful number, since it uses less digits than its factorization.

18149326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 698066.

The product of its digits is 10368, while the sum is 34.

The square root of 18149326 is about 4260.2025773430. The cubic root of 18149326 is about 262.7968572083.

The spelling of 18149326 in words is "eighteen million, one hundred forty-nine thousand, three hundred twenty-six".