671292 has 36 divisors (see below), whose sum is σ = 1758120. Its totient is φ = 215712.

The previous prime is 671287. The next prime is 671299. The reversal of 671292 is 292176.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 671292.

It is not an unprimeable number, because it can be changed into a prime (671299) by changing a digit.

671292 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 723 + ... + 1365.

2⁶⁷¹²⁹² 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 671292, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (879060).

671292 is an abundant number, since it is smaller than the sum of its proper divisors (1086828).

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

671292 is a wasteful number, since it uses less digits than its factorization.

671292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 682 (or 677 counting only the distinct ones).

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

The square root of 671292 is about 819.3241116921. The cubic root of 671292 is about 87.5596110802.

The spelling of 671292 in words is "six hundred seventy-one thousand, two hundred ninety-two".