652839 has 16 divisors (see below), whose sum is σ = 966144. Its totient is φ = 388800.

The previous prime is 652837. The next prime is 652849. The reversal of 652839 is 938256.

It is a happy number.

It is not a de Polignac number, because 652839 - 2¹ = 652837 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a d-powerful number, because it can be written as 6² + 5⁸ + 8⁶ + 2⁴ + 3² + 9 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (652831) 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, 2274 + ... + 2544.

It is an arithmetic number, because the mean of its divisors is an integer number (60384).

2⁶⁵²⁸³⁹ is an apocalyptic number.

652839 is a deficient number, since it is larger than the sum of its proper divisors (313305).

652839 is a wasteful number, since it uses less digits than its factorization.

652839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358.

The product of its digits is 12960, while the sum is 33.

The square root of 652839 is about 807.9845295549. The cubic root of 652839 is about 86.7498428963.

The spelling of 652839 in words is "six hundred fifty-two thousand, eight hundred thirty-nine".