680001 has 8 divisors (see below), whose sum is σ = 1036224. Its totient is φ = 388560.

The previous prime is 679999. The next prime is 680003. The reversal of 680001 is 100086.

It is an interprime number because it is at equal distance from previous prime (679999) and next prime (680003).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 680001 - 2¹ = 679999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (680003) 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, 16170 + ... + 16211.

It is an arithmetic number, because the mean of its divisors is an integer number (129528).

2⁶⁸⁰⁰⁰¹ is an apocalyptic number.

It is an amenable number.

680001 is a deficient number, since it is larger than the sum of its proper divisors (356223).

680001 is a wasteful number, since it uses less digits than its factorization.

680001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32391.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 680001 is about 824.6217314624. The cubic root of 680001 is about 87.9366365493.

Adding to 680001 its reverse (100086), we get a palindrome (780087).

The spelling of 680001 in words is "six hundred eighty thousand, one".