655339 has 4 divisors (see below), whose sum is σ = 683856. Its totient is φ = 626824.

The previous prime is 655337. The next prime is 655351. The reversal of 655339 is 933556.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 655339 - 2¹ = 655337 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 655339.

It is not an unprimeable number, because it can be changed into a prime (655331) 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, 14224 + ... + 14269.

It is an arithmetic number, because the mean of its divisors is an integer number (170964).

2⁶⁵⁵³³⁹ is an apocalyptic number.

655339 is a deficient number, since it is larger than the sum of its proper divisors (28517).

655339 is a wasteful number, since it uses less digits than its factorization.

655339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28516.

The product of its digits is 12150, while the sum is 31.

The square root of 655339 is about 809.5301106197. The cubic root of 655339 is about 86.8604359417.

Adding to 655339 its product of digits (12150), we get a square (667489 = 817²).

The spelling of 655339 in words is "six hundred fifty-five thousand, three hundred thirty-nine".