3446391 has 16 divisors (see below), whose sum is σ = 5210240. Its totient is φ = 2008800.

The previous prime is 3446383. The next prime is 3446437. The reversal of 3446391 is 1936443.

It is not a de Polignac number, because 3446391 - 2³ = 3446383 is a prime.

It is a super-2 number, since 2×3446391² = 23755221849762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3446341) 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 15 ways as a sum of consecutive naturals, for example, 1585 + ... + 3066.

It is an arithmetic number, because the mean of its divisors is an integer number (325640).

Almost surely, 2^3446391 is an apocalyptic number.

3446391 is a deficient number, since it is larger than the sum of its proper divisors (1763849).

3446391 is a wasteful number, since it uses less digits than its factorization.

3446391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4686.

The product of its digits is 7776, while the sum is 30.

The square root of 3446391 is about 1856.4457977544. The cubic root of 3446391 is about 151.0502734522.

The spelling of 3446391 in words is "three million, four hundred forty-six thousand, three hundred ninety-one".