3404420421 has 4 divisors (see below), whose sum is σ = 4539227232. Its totient is φ = 2269613612.

The previous prime is 3404420407. The next prime is 3404420449. The reversal of 3404420421 is 1240244043.

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 3404420421 - 2⁵ = 3404420389 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3404420391 and 3404420400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3404420471) 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, 567403401 + ... + 567403406.

It is an arithmetic number, because the mean of its divisors is an integer number (1134806808).

Almost surely, 2^3404420421 is an apocalyptic number.

It is an amenable number.

3404420421 is a deficient number, since it is larger than the sum of its proper divisors (1134806811).

3404420421 is a wasteful number, since it uses less digits than its factorization.

3404420421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1134806810.

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 3404420421 is about 58347.4114335846. The cubic root of 3404420421 is about 1504.3459770505.

Adding to 3404420421 its reverse (1240244043), we get a palindrome (4644664464).

The spelling of 3404420421 in words is "three billion, four hundred four million, four hundred twenty thousand, four hundred twenty-one".