443441401 has 4 divisors (see below), whose sum is σ = 477552292. Its totient is φ = 409330512.

The previous prime is 443441393. The next prime is 443441429. The reversal of 443441401 is 104144344.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 23232400 + 420209001 = 4820^2 + 20499^2 .

It is a cyclic number.

It is not a de Polignac number, because 443441401 - 2³ = 443441393 is a prime.

It is a super-2 number, since 2×443441401² = 393280552241685602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (443441431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17055426 + ... + 17055451.

It is an arithmetic number, because the mean of its divisors is an integer number (119388073).

Almost surely, 2^443441401 is an apocalyptic number.

It is an amenable number.

443441401 is a deficient number, since it is larger than the sum of its proper divisors (34110891).

443441401 is a wasteful number, since it uses less digits than its factorization.

443441401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34110890.

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 443441401 is about 21058.0483663610. The cubic root of 443441401 is about 762.5682968835.

Adding to 443441401 its reverse (104144344), we get a palindrome (547585745).

The spelling of 443441401 in words is "four hundred forty-three million, four hundred forty-one thousand, four hundred one".