899317 has 4 divisors (see below), whose sum is σ = 952236. Its totient is φ = 846400.

The previous prime is 899309. The next prime is 899321. The reversal of 899317 is 713998.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 713998 = 2 ⋅356999.

It can be written as a sum of positive squares in 2 ways, for example, as 844561 + 54756 = 919^2 + 234^2 .

It is a cyclic number.

It is not a de Polignac number, because 899317 - 2³ = 899309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (899387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26434 + ... + 26467.

It is an arithmetic number, because the mean of its divisors is an integer number (238059).

2⁸⁹⁹³¹⁷ is an apocalyptic number.

It is an amenable number.

899317 is a deficient number, since it is larger than the sum of its proper divisors (52919).

899317 is a wasteful number, since it uses less digits than its factorization.

899317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52918.

The product of its digits is 13608, while the sum is 37.

The square root of 899317 is about 948.3232571228. The cubic root of 899317 is about 96.5245089742.

It can be divided in two parts, 8993 and 17, that multiplied together give a square (152881 = 391²).

The spelling of 899317 in words is "eight hundred ninety-nine thousand, three hundred seventeen".