654339 has 8 divisors (see below), whose sum is σ = 997120. Its totient is φ = 373896.

The previous prime is 654323. The next prime is 654343. The reversal of 654339 is 933456.

It is a happy number.

654339 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 654339 - 2⁴ = 654323 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 654339.

It is not an unprimeable number, because it can be changed into a prime (654349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15559 + ... + 15600.

It is an arithmetic number, because the mean of its divisors is an integer number (124640).

654339 is a Friedman number, since it can be written as 639*4^5+3, using all its digits and the basic arithmetic operations.

2⁶⁵⁴³³⁹ is an apocalyptic number.

654339 is a deficient number, since it is larger than the sum of its proper divisors (342781).

654339 is a wasteful number, since it uses less digits than its factorization.

654339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31169.

The product of its digits is 9720, while the sum is 30.

The square root of 654339 is about 808.9122325691. The cubic root of 654339 is about 86.8162325323.

It can be divided in two parts, 6 and 54339, that added together give a palindrome (54345).

The spelling of 654339 in words is "six hundred fifty-four thousand, three hundred thirty-nine".