317622893 has 8 divisors (see below), whose sum is σ = 378780288. Its totient is φ = 260411184.

The previous prime is 317622889. The next prime is 317622967. The reversal of 317622893 is 398226713.

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 317622893 - 2² = 317622889 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 317622893.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (317622293) 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, 986246 + ... + 986567.

It is an arithmetic number, because the mean of its divisors is an integer number (47347536).

Almost surely, 2^317622893 is an apocalyptic number.

It is an amenable number.

317622893 is a deficient number, since it is larger than the sum of its proper divisors (61157395).

317622893 is a wasteful number, since it uses less digits than its factorization.

317622893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1972843.

The product of its digits is 108864, while the sum is 41.

The square root of 317622893 is about 17821.9778083130. The cubic root of 317622893 is about 682.2925025898.

The spelling of 317622893 in words is "three hundred seventeen million, six hundred twenty-two thousand, eight hundred ninety-three".