318412799 has 4 divisors (see below), whose sum is σ = 320441064. Its totient is φ = 316384536.

The previous prime is 318412789. The next prime is 318412819. The reversal of 318412799 is 997214813.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 997214813 = 7 ⋅142459259.

It is a cyclic number.

It is not a de Polignac number, because 318412799 - 2⁸ = 318412543 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 (318412729) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1013897 + ... + 1014210.

It is an arithmetic number, because the mean of its divisors is an integer number (80110266).

Almost surely, 2^318412799 is an apocalyptic number.

318412799 is a deficient number, since it is larger than the sum of its proper divisors (2028265).

318412799 is a wasteful number, since it uses less digits than its factorization.

318412799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2028264.

The product of its digits is 108864, while the sum is 44.

The square root of 318412799 is about 17844.1250556030. The cubic root of 318412799 is about 682.8576389986.

The spelling of 318412799 in words is "three hundred eighteen million, four hundred twelve thousand, seven hundred ninety-nine".