655039 has 16 divisors (see below), whose sum is σ = 838656. Its totient is φ = 496800.

The previous prime is 655037. The next prime is 655043. The reversal of 655039 is 930556.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 655039 - 2¹ = 655037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 654998 and 655016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3529 + ... + 3709.

It is an arithmetic number, because the mean of its divisors is an integer number (52416).

2⁶⁵⁵⁰³⁹ is an apocalyptic number.

655039 is a deficient number, since it is larger than the sum of its proper divisors (183617).

655039 is a wasteful number, since it uses less digits than its factorization.

655039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246.

The product of its (nonzero) digits is 4050, while the sum is 28.

The square root of 655039 is about 809.3447967338. The cubic root of 655039 is about 86.8471796432.

The spelling of 655039 in words is "six hundred fifty-five thousand, thirty-nine".