315769993 has 8 divisors (see below), whose sum is σ = 393687360. Its totient is φ = 246054480.

The previous prime is 315769991. The next prime is 315769997. The reversal of 315769993 is 399967513.

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

It is not a de Polignac number, because 315769993 - 2¹ = 315769991 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 315769993.

It is not an unprimeable number, because it can be changed into a prime (315769991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2050378 + ... + 2050531.

It is an arithmetic number, because the mean of its divisors is an integer number (49210920).

Almost surely, 2^315769993 is an apocalyptic number.

It is an amenable number.

315769993 is a deficient number, since it is larger than the sum of its proper divisors (77917367).

315769993 is a wasteful number, since it uses less digits than its factorization.

315769993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4100927.

The product of its digits is 1377810, while the sum is 52.

The square root of 315769993 is about 17769.9182046514. The cubic root of 315769993 is about 680.9631629422.

The spelling of 315769993 in words is "three hundred fifteen million, seven hundred sixty-nine thousand, nine hundred ninety-three".