671027 has 8 divisors (see below), whose sum is σ = 771936. Its totient is φ = 571392.

The previous prime is 671017. The next prime is 671029. The reversal of 671027 is 720176.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 671027 - 2⁶ = 670963 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 670993 and 671011.

It is not an unprimeable number, because it can be changed into a prime (671029) 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, 1613 + ... + 1985.

It is an arithmetic number, because the mean of its divisors is an integer number (96492).

2⁶⁷¹⁰²⁷ is an apocalyptic number.

671027 is a deficient number, since it is larger than the sum of its proper divisors (100909).

671027 is a wasteful number, since it uses less digits than its factorization.

671027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637.

The product of its (nonzero) digits is 588, while the sum is 23.

The square root of 671027 is about 819.1623770657. The cubic root of 671027 is about 87.5480878530.

The spelling of 671027 in words is "six hundred seventy-one thousand, twenty-seven".