671935 has 16 divisors (see below), whose sum is σ = 927360. Its totient is φ = 462240.

The previous prime is 671933. The next prime is 671939. The reversal of 671935 is 539176.

671935 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 671935 - 2¹ = 671933 is a prime.

It is a d-powerful number, because it can be written as 6² + 7⁶ + 9⁶ + 1 + 3⁹ + 5⁵ .

It is a junction number, because it is equal to n+sod(n) for n = 671897 and 671906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (671933) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 724 + ... + 1366.

It is an arithmetic number, because the mean of its divisors is an integer number (57960).

2⁶⁷¹⁹³⁵ is an apocalyptic number.

671935 is a deficient number, since it is larger than the sum of its proper divisors (255425).

671935 is a wasteful number, since it uses less digits than its factorization.

671935 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678.

The product of its digits is 5670, while the sum is 31.

The square root of 671935 is about 819.7164143776. The cubic root of 671935 is about 87.5875586120.

It can be divided in two parts, 67 and 1935, that added together give a palindrome (2002).

The spelling of 671935 in words is "six hundred seventy-one thousand, nine hundred thirty-five".