3389445 has 20 divisors (see below), whose sum is σ = 6076620. Its totient is φ = 1807488.

The previous prime is 3389437. The next prime is 3389453. The reversal of 3389445 is 5449833.

It is an interprime number because it is at equal distance from previous prime (3389437) and next prime (3389453).

It can be written as a sum of positive squares in 2 ways, for example, as 1846881 + 1542564 = 1359^2 + 1242^2 .

It is not a de Polignac number, because 3389445 - 2³ = 3389437 is a prime.

It is a super-2 number, since 2×3389445² = 22976674816050, which contains 22 as substring.

It is an Ulam number.

3389445 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3780 + ... + 4589.

It is an arithmetic number, because the mean of its divisors is an integer number (303831).

Almost surely, 2^3389445 is an apocalyptic number.

It is an amenable number.

3389445 is a deficient number, since it is larger than the sum of its proper divisors (2687175).

3389445 is an equidigital number, since it uses as much as digits as its factorization.

3389445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8386 (or 8377 counting only the distinct ones).

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

The square root of 3389445 is about 1841.0445404715. The cubic root of 3389445 is about 150.2136954172.

The spelling of 3389445 in words is "three million, three hundred eighty-nine thousand, four hundred forty-five".