679117 has 8 divisors (see below), whose sum is σ = 738560. Its totient is φ = 622080.

The previous prime is 679111. The next prime is 679123. The reversal of 679117 is 711976.

It is an interprime number because it is at equal distance from previous prime (679111) and next prime (679123).

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 679117 - 2⁷ = 678989 is a prime.

It is a super-2 number, since 2×679117² = 922399799378, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (679111) 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, 13 + ... + 1165.

It is an arithmetic number, because the mean of its divisors is an integer number (92320).

2⁶⁷⁹¹¹⁷ is an apocalyptic number.

It is an amenable number.

679117 is a deficient number, since it is larger than the sum of its proper divisors (59443).

679117 is a wasteful number, since it uses less digits than its factorization.

679117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1203.

The product of its digits is 2646, while the sum is 31.

The square root of 679117 is about 824.0855538110. The cubic root of 679117 is about 87.8985142051.

The spelling of 679117 in words is "six hundred seventy-nine thousand, one hundred seventeen".