3446421 has 16 divisors (see below), whose sum is σ = 5049408. Its totient is φ = 2073600.

The previous prime is 3446383. The next prime is 3446437. The reversal of 3446421 is 1246443.

3446421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3446421 - 2⁷ = 3446293 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3446391 and 3446400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3446441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5685 + ... + 6261.

It is an arithmetic number, because the mean of its divisors is an integer number (315588).

Almost surely, 2^3446421 is an apocalyptic number.

It is an amenable number.

3446421 is a deficient number, since it is larger than the sum of its proper divisors (1602987).

3446421 is a wasteful number, since it uses less digits than its factorization.

3446421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 772.

The product of its digits is 2304, while the sum is 24.

The square root of 3446421 is about 1856.4538776926. The cubic root of 3446421 is about 151.0507117363.

The spelling of 3446421 in words is "three million, four hundred forty-six thousand, four hundred twenty-one".