671548 has 6 divisors (see below), whose sum is σ = 1175216. Its totient is φ = 335772.

The previous prime is 671537. The next prime is 671557. The reversal of 671548 is 845176.

It is a congruent number.

It is an unprimeable number.

671548 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, 83940 + ... + 83947.

2⁶⁷¹⁵⁴⁸ is an apocalyptic number.

It is an amenable number.

671548 is a deficient number, since it is larger than the sum of its proper divisors (503668).

671548 is a wasteful number, since it uses less digits than its factorization.

671548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167891 (or 167889 counting only the distinct ones).

The product of its digits is 6720, while the sum is 31.

The square root of 671548 is about 819.4803231317. The cubic root of 671548 is about 87.5707400731.

The spelling of 671548 in words is "six hundred seventy-one thousand, five hundred forty-eight".