671602 has 8 divisors (see below), whose sum is σ = 1066716. Its totient is φ = 316032.

The previous prime is 671591. The next prime is 671603. The reversal of 671602 is 206176.

It can be written as a sum of positive squares in 2 ways, for example, as 670761 + 841 = 819^2 + 29^2 .

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

It is not an unprimeable number, because it can be changed into a prime (671603) 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, 9843 + ... + 9910.

2⁶⁷¹⁶⁰² is an apocalyptic number.

671602 is a deficient number, since it is larger than the sum of its proper divisors (395114).

671602 is a wasteful number, since it uses less digits than its factorization.

671602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19772.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 671602 is about 819.5132701793. The cubic root of 671602 is about 87.5730872338.

Adding to 671602 its reverse (206176), we get a palindrome (877778).

The spelling of 671602 in words is "six hundred seventy-one thousand, six hundred two".