726284 has 12 divisors (see below), whose sum is σ = 1368864. Its totient is φ = 335184.

The previous prime is 726221. The next prime is 726287. The reversal of 726284 is 482627.

726284 = 117² + 118² + ... + 155².

It is not an unprimeable number, because it can be changed into a prime (726287) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6932 + ... + 7035.

It is an arithmetic number, because the mean of its divisors is an integer number (114072).

2⁷²⁶²⁸⁴ is an apocalyptic number.

It is an amenable number.

726284 is a deficient number, since it is larger than the sum of its proper divisors (642580).

726284 is a wasteful number, since it uses less digits than its factorization.

726284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13984 (or 13982 counting only the distinct ones).

The product of its digits is 5376, while the sum is 29.

The square root of 726284 is about 852.2229755176. Note that the first 3 decimals coincide. The cubic root of 726284 is about 89.8880913599. Note that the first 3 decimals are identical.

The spelling of 726284 in words is "seven hundred twenty-six thousand, two hundred eighty-four".