315814749 has 8 divisors (see below), whose sum is σ = 421200960. Its totient is φ = 210485856.

The previous prime is 315814739. The next prime is 315814777. The reversal of 315814749 is 947418513.

It is a happy number.

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

It is not a de Polignac number, because 315814749 - 2⁸ = 315814493 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 315814749.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315814739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 817 + ... + 25145.

It is an arithmetic number, because the mean of its divisors is an integer number (52650120).

Almost surely, 2^315814749 is an apocalyptic number.

It is an amenable number.

315814749 is a deficient number, since it is larger than the sum of its proper divisors (105386211).

315814749 is a wasteful number, since it uses less digits than its factorization.

315814749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28659.

The product of its digits is 120960, while the sum is 42.

The square root of 315814749 is about 17771.1774792781. The cubic root of 315814749 is about 680.9953337714.

The spelling of 315814749 in words is "three hundred fifteen million, eight hundred fourteen thousand, seven hundred forty-nine".