807913 has 4 divisors (see below), whose sum is σ = 816340. Its totient is φ = 799488.

The previous prime is 807907. The next prime is 807923. The reversal of 807913 is 319708.

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 218089 + 589824 = 467^2 + 768^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-807913 is a prime.

It is a Duffinian number.

807913 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (807923) 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 3 ways as a sum of consecutive naturals, for example, 4068 + ... + 4261.

It is an arithmetic number, because the mean of its divisors is an integer number (204085).

2⁸⁰⁷⁹¹³ is an apocalyptic number.

It is an amenable number.

807913 is a deficient number, since it is larger than the sum of its proper divisors (8427).

807913 is an equidigital number, since it uses as much as digits as its factorization.

807913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8426.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 807913 is about 898.8398077522. The cubic root of 807913 is about 93.1368471332.

The spelling of 807913 in words is "eight hundred seven thousand, nine hundred thirteen".