315869493 has 8 divisors (see below), whose sum is σ = 421248256. Its totient is φ = 210535200.

The previous prime is 315869483. The next prime is 315869513. The reversal of 315869493 is 394968513.

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

It is not a de Polignac number, because 315869493 - 2¹⁸ = 315607349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315869483) 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, 12828 + ... + 28218.

It is an arithmetic number, because the mean of its divisors is an integer number (52656032).

Almost surely, 2^315869493 is an apocalyptic number.

It is an amenable number.

315869493 is a deficient number, since it is larger than the sum of its proper divisors (105378763).

315869493 is a wasteful number, since it uses less digits than its factorization.

315869493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22235.

The product of its digits is 699840, while the sum is 48.

The square root of 315869493 is about 17772.7176593789. The cubic root of 315869493 is about 681.0346798910.

The spelling of 315869493 in words is "three hundred fifteen million, eight hundred sixty-nine thousand, four hundred ninety-three".