18047006 has 8 divisors (see below), whose sum is σ = 27101304. Its totient is φ = 9013240.

The previous prime is 18046999. The next prime is 18047023. The reversal of 18047006 is 60074081.

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

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, 2705 + ... + 6588.

It is an arithmetic number, because the mean of its divisors is an integer number (3387663).

Almost surely, 2^18047006 is an apocalyptic number.

18047006 is a deficient number, since it is larger than the sum of its proper divisors (9054298).

18047006 is an equidigital number, since it uses as much as digits as its factorization.

18047006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10266.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 18047006 is about 4248.1767853986. The cubic root of 18047006 is about 262.3020718101.

The spelling of 18047006 in words is "eighteen million, forty-seven thousand, six".