3424421 has 24 divisors (see below), whose sum is σ = 4647552. Its totient is φ = 2455200.

The previous prime is 3424417. The next prime is 3424423. The reversal of 3424421 is 1244243.

It is not a de Polignac number, because 3424421 - 2² = 3424417 is a prime.

It is a Smith number, since the sum of its digits (20) coincides with the sum of the digits of its prime factors.

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 3424393 and 3424402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3424423) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10856 + ... + 11166.

It is an arithmetic number, because the mean of its divisors is an integer number (193648).

Almost surely, 2^3424421 is an apocalyptic number.

It is an amenable number.

3424421 is a deficient number, since it is larger than the sum of its proper divisors (1223131).

3424421 is a wasteful number, since it uses less digits than its factorization.

3424421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353 (or 342 counting only the distinct ones).

The product of its digits is 768, while the sum is 20.

The square root of 3424421 is about 1850.5191163563. The cubic root of 3424421 is about 150.7286180044.

Adding to 3424421 its reverse (1244243), we get a palindrome (4668664).

It can be divided in two parts, 3 and 424421, that added together give a palindrome (424424).

The spelling of 3424421 in words is "three million, four hundred twenty-four thousand, four hundred twenty-one".