315400806 has 24 divisors (see below), whose sum is σ = 780992784. Its totient is φ = 90114480.

The previous prime is 315400769. The next prime is 315400831. The reversal of 315400806 is 608004513.

It is a self number, because there is not a number n which added to its sum of digits gives 315400806.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1251465 + ... + 1251716.

It is an arithmetic number, because the mean of its divisors is an integer number (32541366).

Almost surely, 2^315400806 is an apocalyptic number.

315400806 is an abundant number, since it is smaller than the sum of its proper divisors (465591978).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

315400806 is a wasteful number, since it uses less digits than its factorization.

315400806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2503196 (or 2503193 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 315400806 is about 17759.5271896523. The cubic root of 315400806 is about 680.6976735105.

The spelling of 315400806 in words is "three hundred fifteen million, four hundred thousand, eight hundred six".