813716 has 6 divisors (see below), whose sum is σ = 1424010. Its totient is φ = 406856.

The previous prime is 813707. The next prime is 813721. The reversal of 813716 is 617318.

It can be written as a sum of positive squares in only one way, i.e., 448900 + 364816 = 670^2 + 604^2 .

It is a plaindrome in base 15.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101711 + ... + 101718.

It is an arithmetic number, because the mean of its divisors is an integer number (237335).

2⁸¹³⁷¹⁶ is an apocalyptic number.

It is an amenable number.

813716 is a deficient number, since it is larger than the sum of its proper divisors (610294).

813716 is a wasteful number, since it uses less digits than its factorization.

813716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203433 (or 203431 counting only the distinct ones).

The product of its digits is 1008, while the sum is 26.

The square root of 813716 is about 902.0620821207. The cubic root of 813716 is about 93.3593068302.

The spelling of 813716 in words is "eight hundred thirteen thousand, seven hundred sixteen".