609039 has 20 divisors (see below), whose sum is σ = 931216. Its totient is φ = 396576.

The previous prime is 608999. The next prime is 609043. The reversal of 609039 is 930906.

609039 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 609039 - 2⁹ = 608527 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (609079) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5862 + ... + 5964.

2⁶⁰⁹⁰³⁹ is an apocalyptic number.

609039 is a deficient number, since it is larger than the sum of its proper divisors (322177).

609039 is a wasteful number, since it uses less digits than its factorization.

609039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188 (or 179 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 27.

The square root of 609039 is about 780.4095078867. The cubic root of 609039 is about 84.7647010287.

The spelling of 609039 in words is "six hundred nine thousand, thirty-nine".