671802 has 32 divisors (see below), whose sum is σ = 1451520. Its totient is φ = 206640.

The previous prime is 671791. The next prime is 671831. The reversal of 671802 is 208176.

It is a nialpdrome in base 6.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8053 + ... + 8135.

It is an arithmetic number, because the mean of its divisors is an integer number (45360).

2⁶⁷¹⁸⁰² is an apocalyptic number.

671802 is an abundant number, since it is smaller than the sum of its proper divisors (779718).

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

671802 is a wasteful number, since it uses less digits than its factorization.

671802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178.

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

The square root of 671802 is about 819.6352847456. The cubic root of 671802 is about 87.5817793258.

Adding to 671802 its reverse (208176), we get a palindrome (879978).

The spelling of 671802 in words is "six hundred seventy-one thousand, eight hundred two".