814716 has 72 divisors (see below), whose sum is σ = 2437344. Its totient is φ = 224640.

The previous prime is 814699. The next prime is 814717. The reversal of 814716 is 617418.

It is a happy number.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 814716.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 814716.

It is not an unprimeable number, because it can be changed into a prime (814717) by changing a digit.

814716 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13326 + ... + 13386.

It is an arithmetic number, because the mean of its divisors is an integer number (33852).

2⁸¹⁴⁷¹⁶ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 814716, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1218672).

814716 is an abundant number, since it is smaller than the sum of its proper divisors (1622628).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

814716 is a wasteful number, since it uses less digits than its factorization.

814716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131 (or 126 counting only the distinct ones).

The product of its digits is 1344, while the sum is 27.

The square root of 814716 is about 902.6161975059. The cubic root of 814716 is about 93.3975351920.

The spelling of 814716 in words is "eight hundred fourteen thousand, seven hundred sixteen".