671402 has 16 divisors (see below), whose sum is σ = 1063392. Its totient is φ = 317520.

The previous prime is 671401. The next prime is 671417. The reversal of 671402 is 204176.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 671402.

It is not an unprimeable number, because it can be changed into a prime (671401) 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, 3077 + ... + 3287.

It is an arithmetic number, because the mean of its divisors is an integer number (66462).

2⁶⁷¹⁴⁰² is an apocalyptic number.

671402 is a deficient number, since it is larger than the sum of its proper divisors (391990).

671402 is a wasteful number, since it uses less digits than its factorization.

671402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 671402 is about 819.3912374440. The cubic root of 671402 is about 87.5643934160.

Adding to 671402 its reverse (204176), we get a palindrome (875578).

The spelling of 671402 in words is "six hundred seventy-one thousand, four hundred two".