671018 has 8 divisors (see below), whose sum is σ = 1013412. Its totient is φ = 333216.

The previous prime is 671017. The next prime is 671029. The reversal of 671018 is 810176.

671018 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 573049 + 97969 = 757^2 + 313^2 .

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

It is a plaindrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 670984 and 671002.

It is not an unprimeable number, because it can be changed into a prime (671017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 755 + ... + 1382.

2⁶⁷¹⁰¹⁸ is an apocalyptic number.

671018 is a deficient number, since it is larger than the sum of its proper divisors (342394).

671018 is a wasteful number, since it uses less digits than its factorization.

671018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2296.

The product of its (nonzero) digits is 336, while the sum is 23.

The square root of 671018 is about 819.1568836310. The cubic root of 671018 is about 87.5476964448.

The spelling of 671018 in words is "six hundred seventy-one thousand, eighteen".