671324 has 12 divisors (see below), whose sum is σ = 1226064. Its totient is φ = 321024.

The previous prime is 671323. The next prime is 671339. The reversal of 671324 is 423176.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a self number, because there is not a number n which added to its sum of digits gives 671324.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (671323) 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 3 ways as a sum of consecutive naturals, for example, 3557 + ... + 3740.

It is an arithmetic number, because the mean of its divisors is an integer number (102172).

2⁶⁷¹³²⁴ is an apocalyptic number.

It is an amenable number.

671324 is a deficient number, since it is larger than the sum of its proper divisors (554740).

671324 is a wasteful number, since it uses less digits than its factorization.

671324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7324 (or 7322 counting only the distinct ones).

The product of its digits is 1008, while the sum is 23.

The square root of 671324 is about 819.3436397507. The cubic root of 671324 is about 87.5610023591.

The spelling of 671324 in words is "six hundred seventy-one thousand, three hundred twenty-four".