804726 has 48 divisors (see below), whose sum is σ = 1987440. Its totient is φ = 233280.

The previous prime is 804709. The next prime is 804743. The reversal of 804726 is 627408.

It is an interprime number because it is at equal distance from previous prime (804709) and next prime (804743).

It is a self number, because there is not a number n which added to its sum of digits gives 804726.

It is a congruent number.

It is an unprimeable number.

804726 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 23 ways as a sum of consecutive naturals, for example, 4356 + ... + 4536.

It is an arithmetic number, because the mean of its divisors is an integer number (41405).

2⁸⁰⁴⁷²⁶ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 804726, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (993720).

804726 is an abundant number, since it is smaller than the sum of its proper divisors (1182714).

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

804726 is a wasteful number, since it uses less digits than its factorization.

804726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221 (or 218 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 804726 is about 897.0652150206. The cubic root of 804726 is about 93.0142191231.

The spelling of 804726 in words is "eight hundred four thousand, seven hundred twenty-six".