3438644 has 24 divisors (see below), whose sum is σ = 6779136. Its totient is φ = 1512000.

The previous prime is 3438637. The next prime is 3438647. The reversal of 3438644 is 4468343.

It is a self number, because there is not a number n which added to its sum of digits gives 3438644.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3438647) 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, 104 + ... + 2624.

It is an arithmetic number, because the mean of its divisors is an integer number (282464).

Almost surely, 2^3438644 is an apocalyptic number.

It is an amenable number.

3438644 is a deficient number, since it is larger than the sum of its proper divisors (3340492).

3438644 is a wasteful number, since it uses less digits than its factorization.

3438644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2567 (or 2565 counting only the distinct ones).

The product of its digits is 27648, while the sum is 32.

The square root of 3438644 is about 1854.3581099669. The cubic root of 3438644 is about 150.9370086515.

The spelling of 3438644 in words is "three million, four hundred thirty-eight thousand, six hundred forty-four".