671028 has 24 divisors (see below), whose sum is σ = 1579200. Its totient is φ = 221760.

The previous prime is 671017. The next prime is 671029. The reversal of 671028 is 820176.

671028 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a plaindrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 670989 and 671007.

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 671028.

It is not an unprimeable number, because it can be changed into a prime (671029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2248 + ... + 2528.

It is an arithmetic number, because the mean of its divisors is an integer number (65800).

2⁶⁷¹⁰²⁸ is an apocalyptic number.

It is an amenable number.

671028 is an abundant number, since it is smaller than the sum of its proper divisors (908172).

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

671028 is a wasteful number, since it uses less digits than its factorization.

671028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487 (or 485 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 671028 is about 819.1629874451. The cubic root of 671028 is about 87.5481313425.

The spelling of 671028 in words is "six hundred seventy-one thousand, twenty-eight".