3443404421 has 4 divisors (see below), whose sum is σ = 3443698272. Its totient is φ = 3443110572.

The previous prime is 3443404411. The next prime is 3443404423. The reversal of 3443404421 is 1244043443.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3443404421 - 2¹⁴ = 3443388037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3443404423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128585 + ... + 153038.

It is an arithmetic number, because the mean of its divisors is an integer number (860924568).

Almost surely, 2^3443404421 is an apocalyptic number.

It is an amenable number.

3443404421 is a deficient number, since it is larger than the sum of its proper divisors (293851).

3443404421 is a wasteful number, since it uses less digits than its factorization.

3443404421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293850.

The product of its (nonzero) digits is 18432, while the sum is 29.

The square root of 3443404421 is about 58680.5284655822. The cubic root of 3443404421 is about 1510.0662838029.

Adding to 3443404421 its reverse (1244043443), we get a palindrome (4687447864).

The spelling of 3443404421 in words is "three billion, four hundred forty-three million, four hundred four thousand, four hundred twenty-one".