443344401 has 16 divisors (see below), whose sum is σ = 667576320. Its totient is φ = 290716560.

The previous prime is 443344399. The next prime is 443344409. The reversal of 443344401 is 104443344.

It is not a de Polignac number, because 443344401 - 2¹ = 443344399 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (443344409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132945 + ... + 136238.

It is an arithmetic number, because the mean of its divisors is an integer number (41723520).

Almost surely, 2^443344401 is an apocalyptic number.

It is an amenable number.

443344401 is a deficient number, since it is larger than the sum of its proper divisors (224231919).

443344401 is a wasteful number, since it uses less digits than its factorization.

443344401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269253 (or 269247 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

The square root of 443344401 is about 21055.7450829934. The cubic root of 443344401 is about 762.5126904992.

Adding to 443344401 its reverse (104443344), we get a palindrome (547787745).

The spelling of 443344401 in words is "four hundred forty-three million, three hundred forty-four thousand, four hundred one".