726486 has 8 divisors (see below), whose sum is σ = 1452984. Its totient is φ = 242160.

The previous prime is 726469. The next prime is 726487. The reversal of 726486 is 684627.

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

726486 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (726487) by changing a digit.

726486 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, 60535 + ... + 60546.

It is an arithmetic number, because the mean of its divisors is an integer number (181623).

2⁷²⁶⁴⁸⁶ is an apocalyptic number.

726486 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

726486 is a wasteful number, since it uses less digits than its factorization.

726486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121086.

The product of its digits is 16128, while the sum is 33.

The square root of 726486 is about 852.3414808632. The cubic root of 726486 is about 89.8964240559.

It can be divided in two parts, 726 and 486, that multiplied together give a square (352836 = 594²).

The spelling of 726486 in words is "seven hundred twenty-six thousand, four hundred eighty-six".