679346 has 4 divisors (see below), whose sum is σ = 1019022. Its totient is φ = 339672.

The previous prime is 679333. The next prime is 679361. The reversal of 679346 is 643976.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 546121 + 133225 = 739^2 + 365^2 .

It is a plaindrome in base 9.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 169835 + ... + 169838.

2⁶⁷⁹³⁴⁶ is an apocalyptic number.

679346 is a deficient number, since it is larger than the sum of its proper divisors (339676).

679346 is a wasteful number, since it uses less digits than its factorization.

679346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339675.

The product of its digits is 27216, while the sum is 35.

The square root of 679346 is about 824.2244839848. The cubic root of 679346 is about 87.9083929632.

The spelling of 679346 in words is "six hundred seventy-nine thousand, three hundred forty-six".