679401 has 8 divisors (see below), whose sum is σ = 1006560. Its totient is φ = 452916.

The previous prime is 679381. The next prime is 679403. The reversal of 679401 is 104976.

It is not a de Polignac number, because 679401 - 2⁵ = 679369 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 25163 = 679401 / (6 + 7 + 9 + 4 + 0 + 1).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (679403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12555 + ... + 12608.

It is an arithmetic number, because the mean of its divisors is an integer number (125820).

2⁶⁷⁹⁴⁰¹ is an apocalyptic number.

It is an amenable number.

679401 is a deficient number, since it is larger than the sum of its proper divisors (327159).

679401 is a wasteful number, since it uses less digits than its factorization.

679401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25172 (or 25166 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 679401 is about 824.2578480063. The cubic root of 679401 is about 87.9107652600.

The spelling of 679401 in words is "six hundred seventy-nine thousand, four hundred one".