676539 has 8 divisors (see below), whose sum is σ = 1002320. Its totient is φ = 451008.

The previous prime is 676523. The next prime is 676573. The reversal of 676539 is 935676.

It is a happy number.

It is not a de Polignac number, because 676539 - 2⁴ = 676523 is a prime.

It is an Ulam number.

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 676539.

It is not an unprimeable number, because it can be changed into a prime (676589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12502 + ... + 12555.

It is an arithmetic number, because the mean of its divisors is an integer number (125290).

2⁶⁷⁶⁵³⁹ is an apocalyptic number.

676539 is a deficient number, since it is larger than the sum of its proper divisors (325781).

676539 is a wasteful number, since it uses less digits than its factorization.

676539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25066 (or 25060 counting only the distinct ones).

The product of its digits is 34020, while the sum is 36.

The square root of 676539 is about 822.5199085736. The cubic root of 676539 is about 87.7871491475.

The spelling of 676539 in words is "six hundred seventy-six thousand, five hundred thirty-nine".