679430 has 8 divisors (see below), whose sum is σ = 1222992. Its totient is φ = 271768.

The previous prime is 679423. The next prime is 679433. The reversal of 679430 is 34976.

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

It is a junction number, because it is equal to n+sod(n) for n = 679393 and 679402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (679433) by changing a digit.

679430 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33962 + ... + 33981.

It is an arithmetic number, because the mean of its divisors is an integer number (152874).

2⁶⁷⁹⁴³⁰ is an apocalyptic number.

679430 is a deficient number, since it is larger than the sum of its proper divisors (543562).

679430 is a wasteful number, since it uses less digits than its factorization.

679430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67950.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 679430 is about 824.2754394012. The cubic root of 679430 is about 87.9120160559.

The spelling of 679430 in words is "six hundred seventy-nine thousand, four hundred thirty".