3446621 has 8 divisors (see below), whose sum is σ = 3592920. Its totient is φ = 3302208.

The previous prime is 3446609. The next prime is 3446659. The reversal of 3446621 is 1266443.

It can be written as a sum of positive squares in 4 ways, for example, as 422500 + 3024121 = 650^2 + 1739^2 .

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 3446621 - 2¹⁰ = 3445597 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 (3446671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4175 + ... + 4931.

It is an arithmetic number, because the mean of its divisors is an integer number (449115).

Almost surely, 2^3446621 is an apocalyptic number.

It is an amenable number.

3446621 is a deficient number, since it is larger than the sum of its proper divisors (146299).

3446621 is a wasteful number, since it uses less digits than its factorization.

3446621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 943.

The product of its digits is 3456, while the sum is 26.

The square root of 3446621 is about 1856.5077430488. The cubic root of 3446621 is about 151.0536335653.

The spelling of 3446621 in words is "three million, four hundred forty-six thousand, six hundred twenty-one".