726898 has 8 divisors (see below), whose sum is σ = 1105920. Its totient is φ = 358260.

The previous prime is 726893. The next prime is 726899. The reversal of 726898 is 898627.

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

It is a self number, because there is not a number n which added to its sum of digits gives 726898.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (726893) by changing a digit.

726898 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 3 ways as a sum of consecutive naturals, for example, 2418 + ... + 2701.

It is an arithmetic number, because the mean of its divisors is an integer number (138240).

2⁷²⁶⁸⁹⁸ is an apocalyptic number.

726898 is a deficient number, since it is larger than the sum of its proper divisors (379022).

726898 is a wasteful number, since it uses less digits than its factorization.

726898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5192.

The product of its digits is 48384, while the sum is 40.

The square root of 726898 is about 852.5831337764. The cubic root of 726898 is about 89.9134146689.

The spelling of 726898 in words is "seven hundred twenty-six thousand, eight hundred ninety-eight".