317869949 has 8 divisors (see below), whose sum is σ = 321064128. Its totient is φ = 314690400.

The previous prime is 317869933. The next prime is 317869969. The reversal of 317869949 is 949968713.

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

It is a cyclic number.

It is not a de Polignac number, because 317869949 - 2⁴ = 317869933 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 317869894 and 317869903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (317869919) 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, 42929 + ... + 49785.

It is an arithmetic number, because the mean of its divisors is an integer number (40133016).

Almost surely, 2^317869949 is an apocalyptic number.

It is an amenable number.

317869949 is a deficient number, since it is larger than the sum of its proper divisors (3194179).

317869949 is a wasteful number, since it uses less digits than its factorization.

317869949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7315.

The product of its digits is 2939328, while the sum is 56.

The square root of 317869949 is about 17828.9076782623. The cubic root of 317869949 is about 682.4693588287.

The spelling of 317869949 in words is "three hundred seventeen million, eight hundred sixty-nine thousand, nine hundred forty-nine".