10400317 has 4 divisors (see below), whose sum is σ = 10570876. Its totient is φ = 10229760.

The previous prime is 10400309. The next prime is 10400329. The reversal of 10400317 is 71300401.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1285956 + 9114361 = 1134^2 + 3019^2 .

It is a cyclic number.

It is not a de Polignac number, because 10400317 - 2³ = 10400309 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 10400317.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10400417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85188 + ... + 85309.

It is an arithmetic number, because the mean of its divisors is an integer number (2642719).

Almost surely, 2^10400317 is an apocalyptic number.

It is an amenable number.

10400317 is a deficient number, since it is larger than the sum of its proper divisors (170559).

10400317 is an equidigital number, since it uses as much as digits as its factorization.

10400317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170558.

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 10400317 is about 3224.9522477085. The cubic root of 10400317 is about 218.2807943560.

Adding to 10400317 its product of nonzero digits (84), we get a palindrome (10400401).

Adding to 10400317 its reverse (71300401), we get a palindrome (81700718).

The spelling of 10400317 in words is "ten million, four hundred thousand, three hundred seventeen".