671352 has 32 divisors (see below), whose sum is σ = 1831680. Its totient is φ = 203360.

The previous prime is 671339. The next prime is 671353. The reversal of 671352 is 253176.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (671353) by changing a digit.

671352 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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, 1008 + ... + 1535.

It is an arithmetic number, because the mean of its divisors is an integer number (57240).

2⁶⁷¹³⁵² is an apocalyptic number.

It is an amenable number.

671352 is an abundant number, since it is smaller than the sum of its proper divisors (1160328).

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

671352 is a wasteful number, since it uses less digits than its factorization.

671352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2563 (or 2559 counting only the distinct ones).

The product of its digits is 1260, while the sum is 24.

The square root of 671352 is about 819.3607264203. The cubic root of 671352 is about 87.5622196918.

The spelling of 671352 in words is "six hundred seventy-one thousand, three hundred fifty-two".