18850799 has 4 divisors (see below), whose sum is σ = 20564520. Its totient is φ = 17137080.

The previous prime is 18850771. The next prime is 18850817. The reversal of 18850799 is 99705881.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 18850799 - 2⁸ = 18850543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18850709) 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, 856844 + ... + 856865.

It is an arithmetic number, because the mean of its divisors is an integer number (5141130).

Almost surely, 2^18850799 is an apocalyptic number.

18850799 is a deficient number, since it is larger than the sum of its proper divisors (1713721).

18850799 is a wasteful number, since it uses less digits than its factorization.

18850799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1713720.

The product of its (nonzero) digits is 181440, while the sum is 47.

The square root of 18850799 is about 4341.7506837680. The cubic root of 18850799 is about 266.1398580482.

The spelling of 18850799 in words is "eighteen million, eight hundred fifty thousand, seven hundred ninety-nine".