315434893 has 4 divisors (see below), whose sum is σ = 315675360. Its totient is φ = 315194428.

The previous prime is 315434891. The next prime is 315434897. The reversal of 315434893 is 398434513.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 315434893 - 2¹ = 315434891 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315434891) 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, 118255 + ... + 120892.

It is an arithmetic number, because the mean of its divisors is an integer number (78918840).

Almost surely, 2^315434893 is an apocalyptic number.

It is an amenable number.

315434893 is a deficient number, since it is larger than the sum of its proper divisors (240467).

315434893 is a wasteful number, since it uses less digits than its factorization.

315434893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240466.

The product of its digits is 155520, while the sum is 40.

The square root of 315434893 is about 17760.4868458046. The cubic root of 315434893 is about 680.7221948025.

The spelling of 315434893 in words is "three hundred fifteen million, four hundred thirty-four thousand, eight hundred ninety-three".