443969 has 8 divisors (see below), whose sum is σ = 470400. Its totient is φ = 418176.

The previous prime is 443953. The next prime is 443983. The reversal of 443969 is 969344.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 443969 - 2⁴ = 443953 is a prime.

It is a super-2 number, since 2×443969² = 394216945922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (443909) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2132 + ... + 2330.

It is an arithmetic number, because the mean of its divisors is an integer number (58800).

2⁴⁴³⁹⁶⁹ is an apocalyptic number.

It is an amenable number.

443969 is a deficient number, since it is larger than the sum of its proper divisors (26431).

443969 is a wasteful number, since it uses less digits than its factorization.

443969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319.

The product of its digits is 23328, while the sum is 35.

The square root of 443969 is about 666.3099879185. The cubic root of 443969 is about 76.2870607263.

The spelling of 443969 in words is "four hundred forty-three thousand, nine hundred sixty-nine".