315887446 has 16 divisors (see below), whose sum is σ = 549605376. Its totient is φ = 133359336.

The previous prime is 315887443. The next prime is 315887471. The reversal of 315887446 is 644788513.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 315887396 and 315887405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315887441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167446 + ... + 169321.

It is an arithmetic number, because the mean of its divisors is an integer number (34350336).

Almost surely, 2^315887446 is an apocalyptic number.

315887446 is a deficient number, since it is larger than the sum of its proper divisors (233717930).

315887446 is a wasteful number, since it uses less digits than its factorization.

315887446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336843.

The product of its digits is 645120, while the sum is 46.

The square root of 315887446 is about 17773.2227240869. Note that the first 3 decimals coincide. The cubic root of 315887446 is about 681.0475822492.

The spelling of 315887446 in words is "three hundred fifteen million, eight hundred eighty-seven thousand, four hundred forty-six".