671008 has 24 divisors (see below), whose sum is σ = 1423548. Its totient is φ = 309504.

The previous prime is 671003. The next prime is 671017. The reversal of 671008 is 800176.

671008 is nontrivially palindromic in base 15.

It can be written as a sum of positive squares in 2 ways, for example, as 659344 + 11664 = 812^2 + 108^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 671008.

It is not an unprimeable number, because it can be changed into a prime (671003) 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, 391 + ... + 1222.

2⁶⁷¹⁰⁰⁸ is an apocalyptic number.

It is an amenable number.

671008 is an abundant number, since it is smaller than the sum of its proper divisors (752540).

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

671008 is a wasteful number, since it uses less digits than its factorization.

671008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1636 (or 1628 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 671008 is about 819.1507797713. The cubic root of 671008 is about 87.5472615428.

The spelling of 671008 in words is "six hundred seventy-one thousand, eight".