878726 has 8 divisors (see below), whose sum is σ = 1360704. Its totient is φ = 425160.

The previous prime is 878719. The next prime is 878737. The reversal of 878726 is 627878.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a plaindrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 878726.

It is a congruent number.

It is an unprimeable number.

878726 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 3 ways as a sum of consecutive naturals, for example, 7025 + ... + 7148.

It is an arithmetic number, because the mean of its divisors is an integer number (170088).

2⁸⁷⁸⁷²⁶ is an apocalyptic number.

878726 is a deficient number, since it is larger than the sum of its proper divisors (481978).

878726 is a wasteful number, since it uses less digits than its factorization.

878726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14206.

The product of its digits is 37632, while the sum is 38.

The square root of 878726 is about 937.4038617373. The cubic root of 878726 is about 95.7821303455.

It can be divided in two parts, 87872 and 6, that added together give a palindrome (87878).

The spelling of 878726 in words is "eight hundred seventy-eight thousand, seven hundred twenty-six".