671349 has 12 divisors (see below), whose sum is σ = 1041504. Its totient is φ = 383544.

The previous prime is 671339. The next prime is 671353. The reversal of 671349 is 943176.

It is a happy number.

It is not a de Polignac number, because 671349 - 2⁸ = 671093 is a prime.

It is a Curzon number.

It is a zygodrome in base 6.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (671339) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2137 + ... + 2430.

It is an arithmetic number, because the mean of its divisors is an integer number (86792).

2⁶⁷¹³⁴⁹ is an apocalyptic number.

It is an amenable number.

671349 is a deficient number, since it is larger than the sum of its proper divisors (370155).

671349 is a wasteful number, since it uses less digits than its factorization.

671349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4584 (or 4577 counting only the distinct ones).

The product of its digits is 4536, while the sum is 30.

The square root of 671349 is about 819.3588957227. The cubic root of 671349 is about 87.5620892649.

The spelling of 671349 in words is "six hundred seventy-one thousand, three hundred forty-nine".