3406389 has 8 divisors (see below), whose sum is σ = 5190720. Its totient is φ = 1946496.

The previous prime is 3406387. The next prime is 3406391. The reversal of 3406389 is 9836043.

It is an interprime number because it is at equal distance from previous prime (3406387) and next prime (3406391).

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

It is not a de Polignac number, because 3406389 - 2¹ = 3406387 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3406387) 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, 81084 + ... + 81125.

It is an arithmetic number, because the mean of its divisors is an integer number (648840).

Almost surely, 2^3406389 is an apocalyptic number.

It is an amenable number.

3406389 is a deficient number, since it is larger than the sum of its proper divisors (1784331).

3406389 is a wasteful number, since it uses less digits than its factorization.

3406389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162219.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 3406389 is about 1845.6405392167. The cubic root of 3406389 is about 150.4635879874.

The spelling of 3406389 in words is "three million, four hundred six thousand, three hundred eighty-nine".