315666346 has 8 divisors (see below), whose sum is σ = 480566880. Its totient is φ = 155477388.

The previous prime is 315666331. The next prime is 315666349. The reversal of 315666346 is 643666513.

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

It is a junction number, because it is equal to n+sod(n) for n = 315666299 and 315666308.

It is not an unprimeable number, because it can be changed into a prime (315666349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1177726 + ... + 1177993.

It is an arithmetic number, because the mean of its divisors is an integer number (60070860).

Almost surely, 2^315666346 is an apocalyptic number.

315666346 is a deficient number, since it is larger than the sum of its proper divisors (164900534).

315666346 is a wasteful number, since it uses less digits than its factorization.

315666346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2355788.

The product of its digits is 233280, while the sum is 40.

The square root of 315666346 is about 17767.0016040974. The cubic root of 315666346 is about 680.8886493045. Note that the first 3 decimals are identical.

The spelling of 315666346 in words is "three hundred fifteen million, six hundred sixty-six thousand, three hundred forty-six".