318269994 has 96 divisors (see below), whose sum is σ = 781664256. Its totient is φ = 86012640.

The previous prime is 318269993. The next prime is 318270019. The reversal of 318269994 is 499962813.

It is not an unprimeable number, because it can be changed into a prime (318269993) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 427987 + ... + 428729.

It is an arithmetic number, because the mean of its divisors is an integer number (8142336).

Almost surely, 2^318269994 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 318269994, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (390832128).

318269994 is an abundant number, since it is smaller than the sum of its proper divisors (463394262).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

318269994 is a wasteful number, since it uses less digits than its factorization.

318269994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 840 (or 833 counting only the distinct ones).

The product of its digits is 839808, while the sum is 51.

The square root of 318269994 is about 17840.1231497992. The cubic root of 318269994 is about 682.7555387613.

The spelling of 318269994 in words is "three hundred eighteen million, two hundred sixty-nine thousand, nine hundred ninety-four".