3439845 has 12 divisors (see below), whose sum is σ = 5962476. Its totient is φ = 1834560.

The previous prime is 3439841. The next prime is 3439861. The reversal of 3439845 is 5489343.

It can be written as a sum of positive squares in 2 ways, for example, as 349281 + 3090564 = 591^2 + 1758^2 .

It is not a de Polignac number, because 3439845 - 2² = 3439841 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3439841) 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 11 ways as a sum of consecutive naturals, for example, 38176 + ... + 38265.

It is an arithmetic number, because the mean of its divisors is an integer number (496873).

Almost surely, 2^3439845 is an apocalyptic number.

It is an amenable number.

3439845 is a deficient number, since it is larger than the sum of its proper divisors (2522631).

3439845 is a wasteful number, since it uses less digits than its factorization.

3439845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76452 (or 76449 counting only the distinct ones).

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

The square root of 3439845 is about 1854.6819134288. The cubic root of 3439845 is about 150.9545789735.

It can be divided in two parts, 34398 and 45, that added together give a palindrome (34443).

The spelling of 3439845 in words is "three million, four hundred thirty-nine thousand, eight hundred forty-five".