671268 has 36 divisors (see below), whose sum is σ = 1701168. Its totient is φ = 205920.

The previous prime is 671261. The next prime is 671269. The reversal of 671268 is 862176.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (671261) by changing a digit.

671268 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1863 + ... + 2193.

2⁶⁷¹²⁶⁸ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 671268, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (850584).

671268 is an abundant number, since it is smaller than the sum of its proper divisors (1029900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

671268 is a wasteful number, since it uses less digits than its factorization.

671268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364 (or 349 counting only the distinct ones).

The product of its digits is 4032, while the sum is 30.

The square root of 671268 is about 819.3094653426. The cubic root of 671268 is about 87.5585675921.

It can be divided in two parts, 671 and 268, that added together give a palindrome (939).

The spelling of 671268 in words is "six hundred seventy-one thousand, two hundred sixty-eight".