724339 has 16 divisors (see below), whose sum is σ = 944640. Its totient is φ = 538560.

The previous prime is 724331. The next prime is 724393. The reversal of 724339 is 933427.

It is not a de Polignac number, because 724339 - 2³ = 724331 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (724331) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1567 + ... + 1975.

It is an arithmetic number, because the mean of its divisors is an integer number (59040).

2⁷²⁴³³⁹ is an apocalyptic number.

724339 is a deficient number, since it is larger than the sum of its proper divisors (220301).

724339 is a wasteful number, since it uses less digits than its factorization.

724339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450.

The product of its digits is 4536, while the sum is 28.

The square root of 724339 is about 851.0810772189. The cubic root of 724339 is about 89.8077790494.

The spelling of 724339 in words is "seven hundred twenty-four thousand, three hundred thirty-nine".