318474156 has 96 divisors (see below), whose sum is σ = 997774848. Its totient is φ = 76354560.

The previous prime is 318474139. The next prime is 318474157. The reversal of 318474156 is 651474813.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (318474157) 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 31 ways as a sum of consecutive naturals, for example, 1245 + ... + 25268.

It is an arithmetic number, because the mean of its divisors is an integer number (10393488).

Almost surely, 2^318474156 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 318474156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (498887424).

318474156 is an abundant number, since it is smaller than the sum of its proper divisors (679300692).

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

318474156 is a wasteful number, since it uses less digits than its factorization.

318474156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26551 (or 26549 counting only the distinct ones).

The product of its digits is 80640, while the sum is 39.

The square root of 318474156 is about 17845.8442221151. The cubic root of 318474156 is about 682.9014975845.

It can be divided in two parts, 318 and 474156, that added together give a palindrome (474474).

The spelling of 318474156 in words is "three hundred eighteen million, four hundred seventy-four thousand, one hundred fifty-six".