679393 has 8 divisors (see below), whose sum is σ = 798336. Its totient is φ = 570000.

The previous prime is 679381. The next prime is 679403. The reversal of 679393 is 393976.

It is the 337-th star number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 679393 - 2⁵ = 679361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (679333) 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, 2233 + ... + 2518.

It is an arithmetic number, because the mean of its divisors is an integer number (99792).

2⁶⁷⁹³⁹³ is an apocalyptic number.

It is an amenable number.

679393 is a deficient number, since it is larger than the sum of its proper divisors (118943).

679393 is a wasteful number, since it uses less digits than its factorization.

679393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4775.

The product of its digits is 30618, while the sum is 37.

The square root of 679393 is about 824.2529951417. The cubic root of 679393 is about 87.9104202066.

It can be divided in two parts, 6793 and 93, that added together give a palindrome (6886).

The spelling of 679393 in words is "six hundred seventy-nine thousand, three hundred ninety-three".