18348806 has 8 divisors (see below), whose sum is σ = 31455120. Its totient is φ = 7863768.

The previous prime is 18348773. The next prime is 18348817. The reversal of 18348806 is 60884381.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 18348806.

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, 655301 + ... + 655328.

It is an arithmetic number, because the mean of its divisors is an integer number (3931890).

Almost surely, 2^18348806 is an apocalyptic number.

18348806 is a deficient number, since it is larger than the sum of its proper divisors (13106314).

18348806 is a wasteful number, since it uses less digits than its factorization.

18348806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1310638.

The product of its (nonzero) digits is 36864, while the sum is 38.

The square root of 18348806 is about 4283.5506300265. The cubic root of 18348806 is about 263.7561549293.

The spelling of 18348806 in words is "eighteen million, three hundred forty-eight thousand, eight hundred six".