671448 has 32 divisors (see below), whose sum is σ = 1701360. Its totient is φ = 220800.

The previous prime is 671443. The next prime is 671467. The reversal of 671448 is 844176.

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 671448.

It is not an unprimeable number, because it can be changed into a prime (671443) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2286 + ... + 2562.

2⁶⁷¹⁴⁴⁸ is an apocalyptic number.

It is an amenable number.

671448 is an abundant number, since it is smaller than the sum of its proper divisors (1029912).

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

671448 is a wasteful number, since it uses less digits than its factorization.

671448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387 (or 383 counting only the distinct ones).

The product of its digits is 5376, while the sum is 30.

The square root of 671448 is about 819.4193065824. The cubic root of 671448 is about 87.5663931470.

The spelling of 671448 in words is "six hundred seventy-one thousand, four hundred forty-eight".