679535 has 16 divisors (see below), whose sum is σ = 898560. Its totient is φ = 491040.

The previous prime is 679531. The next prime is 679537. The reversal of 679535 is 535976.

It is not a de Polignac number, because 679535 - 2² = 679531 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 679495 and 679504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (679531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2030 + ... + 2340.

It is an arithmetic number, because the mean of its divisors is an integer number (56160).

2⁶⁷⁹⁵³⁵ is an apocalyptic number.

679535 is a deficient number, since it is larger than the sum of its proper divisors (219025).

679535 is a wasteful number, since it uses less digits than its factorization.

679535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358.

The product of its digits is 28350, while the sum is 35.

The square root of 679535 is about 824.3391292423. The cubic root of 679535 is about 87.9165445019.

The spelling of 679535 in words is "six hundred seventy-nine thousand, five hundred thirty-five".