671347 has 12 divisors (see below), whose sum is σ = 751536. Its totient is φ = 598400.

The previous prime is 671339. The next prime is 671353. The reversal of 671347 is 743176.

It is not a de Polignac number, because 671347 - 2³ = 671339 is a prime.

It is not an unprimeable number, because it can be changed into a prime (671357) 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, 6597 + ... + 6697.

It is an arithmetic number, because the mean of its divisors is an integer number (62628).

2⁶⁷¹³⁴⁷ is an apocalyptic number.

671347 is a deficient number, since it is larger than the sum of its proper divisors (80189).

671347 is a wasteful number, since it uses less digits than its factorization.

671347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158 (or 141 counting only the distinct ones).

The product of its digits is 3528, while the sum is 28.

The square root of 671347 is about 819.3576752554. The cubic root of 671347 is about 87.5620023134.

The spelling of 671347 in words is "six hundred seventy-one thousand, three hundred forty-seven".