671358 has 8 divisors (see below), whose sum is σ = 1342728. Its totient is φ = 223784.

The previous prime is 671357. The next prime is 671369. The reversal of 671358 is 853176.

It is a sphenic number, since it is the product of 3 distinct primes.

671358 is an admirable number.

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 671358.

It is not an unprimeable number, because it can be changed into a prime (671353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55941 + ... + 55952.

It is an arithmetic number, because the mean of its divisors is an integer number (167841).

2⁶⁷¹³⁵⁸ is an apocalyptic number.

671358 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

671358 is a wasteful number, since it uses less digits than its factorization.

671358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111898.

The product of its digits is 5040, while the sum is 30.

The square root of 671358 is about 819.3643878031. The cubic root of 671358 is about 87.5624805444.

The spelling of 671358 in words is "six hundred seventy-one thousand, three hundred fifty-eight".