315448646 has 8 divisors (see below), whose sum is σ = 473249304. Its totient is φ = 157698880.

The previous prime is 315448613. The next prime is 315448687. The reversal of 315448646 is 646844513.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14006 + ... + 28758.

It is an arithmetic number, because the mean of its divisors is an integer number (59156163).

Almost surely, 2^315448646 is an apocalyptic number.

315448646 is a deficient number, since it is larger than the sum of its proper divisors (157800658).

315448646 is a wasteful number, since it uses less digits than its factorization.

315448646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25446.

The product of its digits is 276480, while the sum is 41.

The square root of 315448646 is about 17760.8740212862. The cubic root of 315448646 is about 680.7320878491.

The spelling of 315448646 in words is "three hundred fifteen million, four hundred forty-eight thousand, six hundred forty-six".