316449456 has 160 divisors (see below), whose sum is σ = 897466368. Its totient is φ = 95800320.

The previous prime is 316449443. The next prime is 316449481. The reversal of 316449456 is 654944613.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2491665 + ... + 2491791.

Almost surely, 2^316449456 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 316449456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (448733184).

316449456 is an abundant number, since it is smaller than the sum of its proper divisors (581016912).

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

316449456 is a wasteful number, since it uses less digits than its factorization.

316449456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259 (or 253 counting only the distinct ones).

The product of its digits is 311040, while the sum is 42.

The square root of 316449456 is about 17789.0262802662. The cubic root of 316449456 is about 681.4512373991.

The spelling of 316449456 in words is "three hundred sixteen million, four hundred forty-nine thousand, four hundred fifty-six".