671048 has 32 divisors (see below), whose sum is σ = 1503360. Its totient is φ = 274560.

The previous prime is 671039. The next prime is 671059. The reversal of 671048 is 840176.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1028 + ... + 1548.

It is an arithmetic number, because the mean of its divisors is an integer number (46980).

2⁶⁷¹⁰⁴⁸ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 671048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (751680).

671048 is an abundant number, since it is smaller than the sum of its proper divisors (832312).

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

671048 is a wasteful number, since it uses less digits than its factorization.

671048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557 (or 553 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 671048 is about 819.1751949370. The cubic root of 671048 is about 87.5490011250.

The spelling of 671048 in words is "six hundred seventy-one thousand, forty-eight".