318479616 has 432 divisors, whose sum is σ = 1190425600. Its totient is φ = 81285120.

The previous prime is 318479611. The next prime is 318479617. The reversal of 318479616 is 616974813.

It is a happy number.

318479616 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

Its product of digits (217728) is a multiple of the sum of its prime divisors (56).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (318479611) 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, 10273521 + ... + 10273551.

Almost surely, 2^318479616 is an apocalyptic number.

318479616 is a gapful number since it is divisible by the number (36) 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 318479616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (595212800).

318479616 is an abundant number, since it is smaller than the sum of its proper divisors (871945984).

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

318479616 is a wasteful number, since it uses less digits than its factorization.

318479616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87 (or 56 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 318479616 is about 17845.9971982515. The cubic root of 318479616 is about 682.9054001731.

The spelling of 318479616 in words is "three hundred eighteen million, four hundred seventy-nine thousand, six hundred sixteen".