3440736 has 72 divisors (see below), whose sum is σ = 10548720. Its totient is φ = 1057536.

The previous prime is 3440719. The next prime is 3440771. The reversal of 3440736 is 6370443.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3285 + ... + 4203.

It is an arithmetic number, because the mean of its divisors is an integer number (146510).

Almost surely, 2^3440736 is an apocalyptic number.

3440736 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3440736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5274360).

3440736 is an abundant number, since it is smaller than the sum of its proper divisors (7107984).

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

3440736 is a wasteful number, since it uses less digits than its factorization.

3440736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 948 (or 937 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 27.

The square root of 3440736 is about 1854.9221007902. The cubic root of 3440736 is about 150.9676114327.

It can be divided in two parts, 34407 and 36, that added together give a palindrome (34443).

The spelling of 3440736 in words is "three million, four hundred forty thousand, seven hundred thirty-six".