679801 has 8 divisors (see below), whose sum is σ = 735680. Its totient is φ = 625968.

The previous prime is 679793. The next prime is 679807. The reversal of 679801 is 108976.

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 679801 - 2³ = 679793 is a prime.

It is the 825-th Hogben number.

679801 is a lucky number.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (679807) by changing a digit.

It is a nontrivial repunit in base 824.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 220 + ... + 1186.

It is an arithmetic number, because the mean of its divisors is an integer number (91960).

2⁶⁷⁹⁸⁰¹ is an apocalyptic number.

It is an amenable number.

679801 is a deficient number, since it is larger than the sum of its proper divisors (55879).

679801 is a wasteful number, since it uses less digits than its factorization.

679801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1023.

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 679801 is about 824.5004548210. The cubic root of 679801 is about 87.9280144778.

The spelling of 679801 in words is "six hundred seventy-nine thousand, eight hundred one".