671344 has 10 divisors (see below), whose sum is σ = 1300760. Its totient is φ = 335664.

The previous prime is 671339. The next prime is 671353. The reversal of 671344 is 443176.

671344 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

671344 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 as a sum of consecutive naturals, namely, 20964 + ... + 20995.

It is an arithmetic number, because the mean of its divisors is an integer number (130076).

2⁶⁷¹³⁴⁴ is an apocalyptic number.

It is an amenable number.

671344 is a deficient number, since it is larger than the sum of its proper divisors (629416).

671344 is a wasteful number, since it uses less digits than its factorization.

671344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41967 (or 41961 counting only the distinct ones).

The product of its digits is 2016, while the sum is 25.

The square root of 671344 is about 819.3558445511. The cubic root of 671344 is about 87.5618718859.

The spelling of 671344 in words is "six hundred seventy-one thousand, three hundred forty-four".