318959340 has 96 divisors (see below), whose sum is σ = 1033697280. Its totient is φ = 71974656.

The previous prime is 318959339. The next prime is 318959363. The reversal of 318959340 is 43959813.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 318959292 and 318959301.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28374 + ... + 37986.

It is an arithmetic number, because the mean of its divisors is an integer number (10767680).

Almost surely, 2^318959340 is an apocalyptic number.

318959340 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 318959340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (516848640).

318959340 is an abundant number, since it is smaller than the sum of its proper divisors (714737940).

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

318959340 is a wasteful number, since it uses less digits than its factorization.

318959340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9711 (or 9709 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 42.

The square root of 318959340 is about 17859.4328017437. The cubic root of 318959340 is about 683.2481136372.

The spelling of 318959340 in words is "three hundred eighteen million, nine hundred fifty-nine thousand, three hundred forty".