679043 has 4 divisors (see below), whose sum is σ = 680760. Its totient is φ = 677328.

The previous prime is 679039. The next prime is 679051. The reversal of 679043 is 340976.

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

It is a cyclic number.

It is not a de Polignac number, because 679043 - 2² = 679039 is a prime.

It is a super-2 number, since 2×679043² = 922198791698, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 678997 and 679015.

It is not an unprimeable number, because it can be changed into a prime (679033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71 + ... + 1167.

It is an arithmetic number, because the mean of its divisors is an integer number (170190).

2⁶⁷⁹⁰⁴³ is an apocalyptic number.

679043 is a deficient number, since it is larger than the sum of its proper divisors (1717).

679043 is a wasteful number, since it uses less digits than its factorization.

679043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1716.

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

The square root of 679043 is about 824.0406543369. The cubic root of 679043 is about 87.8953214679.

The spelling of 679043 in words is "six hundred seventy-nine thousand, forty-three".