3445389 has 8 divisors (see below), whose sum is σ = 5104320. Its totient is φ = 2296908.

The previous prime is 3445369. The next prime is 3445391. The reversal of 3445389 is 9835443.

It is not a de Polignac number, because 3445389 - 2⁵ = 3445357 is a prime.

It is a super-2 number, since 2×3445389² = 23741410722642, which contains 22 as substring.

3445389 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3445369) 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, 63777 + ... + 63830.

It is an arithmetic number, because the mean of its divisors is an integer number (638040).

Almost surely, 2^3445389 is an apocalyptic number.

It is an amenable number.

3445389 is a deficient number, since it is larger than the sum of its proper divisors (1658931).

3445389 is a wasteful number, since it uses less digits than its factorization.

3445389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127616 (or 127610 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 3445389 is about 1856.1759076122. The cubic root of 3445389 is about 151.0356333021.

The spelling of 3445389 in words is "three million, four hundred forty-five thousand, three hundred eighty-nine".