3344440 has 48 divisors (see below), whose sum is σ = 8283240. Its totient is φ = 1214400.

The previous prime is 3344431. The next prime is 3344441. The reversal of 3344440 is 444433.

It is a happy number.

It is a super-2 number, since 2×3344440² = 22370557827200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3344441) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4495 + ... + 5185.

Almost surely, 2^3344440 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3344440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4141620).

3344440 is an abundant number, since it is smaller than the sum of its proper divisors (4938800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3344440 is a wasteful number, since it uses less digits than its factorization.

3344440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 724 (or 709 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 3344440 is about 1828.7810147746. The cubic root of 3344440 is about 149.5458858489.

Adding to 3344440 its reverse (444433), we get a palindrome (3788873).

It can be divided in two parts, 334 and 4440, that added together give a palindrome (4774).

The spelling of 3344440 in words is "three million, three hundred forty-four thousand, four hundred forty".