443402 has 8 divisors (see below), whose sum is σ = 674436. Its totient is φ = 218592.

The previous prime is 443389. The next prime is 443407. The reversal of 443402 is 204344.

It can be written as a sum of positive squares in 2 ways, for example, as 421201 + 22201 = 649^2 + 149^2 .

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 (443407) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1373 + ... + 1664.

2⁴⁴³⁴⁰² is an apocalyptic number.

443402 is a deficient number, since it is larger than the sum of its proper divisors (231034).

443402 is a wasteful number, since it uses less digits than its factorization.

443402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3112.

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 443402 is about 665.8843743474. The cubic root of 443402 is about 76.2545710778.

Adding to 443402 its reverse (204344), we get a palindrome (647746).

The spelling of 443402 in words is "four hundred forty-three thousand, four hundred two", and thus it is an iban number.