3443040 has 96 divisors (see below), whose sum is σ = 12065760. Its totient is φ = 916992.

The previous prime is 3443021. The next prime is 3443051. The reversal of 3443040 is 403443.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3922 + ... + 4718.

It is an arithmetic number, because the mean of its divisors is an integer number (125685).

Almost surely, 2^3443040 is an apocalyptic number.

3443040 is a gapful number since it is divisible by the number (30) 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 3443040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6032880).

3443040 is an abundant number, since it is smaller than the sum of its proper divisors (8622720).

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

3443040 is a wasteful number, since it uses less digits than its factorization.

3443040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 821 (or 807 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 3443040 is about 1855.5430471967. The cubic root of 3443040 is about 151.0013011013.

Adding to 3443040 its reverse (403443), we get a palindrome (3846483).

The spelling of 3443040 in words is "three million, four hundred forty-three thousand, forty".