3403221 has 8 divisors (see below), whose sum is σ = 4578240. Its totient is φ = 2248512.

The previous prime is 3403201. The next prime is 3403229. The reversal of 3403221 is 1223043.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3403221 - 2⁶ = 3403157 is a prime.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 3403221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3403229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4681 + ... + 5358.

It is an arithmetic number, because the mean of its divisors is an integer number (572280).

Almost surely, 2^3403221 is an apocalyptic number.

It is an amenable number.

3403221 is a deficient number, since it is larger than the sum of its proper divisors (1175019).

3403221 is a wasteful number, since it uses less digits than its factorization.

3403221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10155.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 3403221 is about 1844.7821009539. The cubic root of 3403221 is about 150.4169289502.

Adding to 3403221 its reverse (1223043), we get a palindrome (4626264).

The spelling of 3403221 in words is "three million, four hundred three thousand, two hundred twenty-one".