3406643 has 8 divisors (see below), whose sum is σ = 3608400. Its totient is φ = 3207168.

The previous prime is 3406631. The next prime is 3406661. The reversal of 3406643 is 3466043.

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

It is a cyclic number.

It is not a de Polignac number, because 3406643 - 2⁸ = 3406387 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 (3406343) 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, 3203 + ... + 4131.

It is an arithmetic number, because the mean of its divisors is an integer number (451050).

Almost surely, 2^3406643 is an apocalyptic number.

3406643 is a deficient number, since it is larger than the sum of its proper divisors (201757).

3406643 is a wasteful number, since it uses less digits than its factorization.

3406643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1141.

The product of its (nonzero) digits is 5184, while the sum is 26.

The square root of 3406643 is about 1845.7093487329. The cubic root of 3406643 is about 150.4673277053.

The spelling of 3406643 in words is "three million, four hundred six thousand, six hundred forty-three".