318680038 has 16 divisors (see below), whose sum is σ = 491533344. Its totient is φ = 154846080.

The previous prime is 318680029. The next prime is 318680039. The reversal of 318680038 is 830086813.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a junction number, because it is equal to n+sod(n) for n = 318679979 and 318680006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (318680039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74206 + ... + 78382.

It is an arithmetic number, because the mean of its divisors is an integer number (30720834).

Almost surely, 2^318680038 is an apocalyptic number.

318680038 is a deficient number, since it is larger than the sum of its proper divisors (172853306).

318680038 is a wasteful number, since it uses less digits than its factorization.

318680038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5247.

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 318680038 is about 17851.6116359280. The cubic root of 318680038 is about 683.0486229083.

The spelling of 318680038 in words is "three hundred eighteen million, six hundred eighty thousand, thirty-eight".