3443940 has 108 divisors (see below), whose sum is σ = 11233404. Its totient is φ = 853632.

The previous prime is 3443933. The next prime is 3443963. The reversal of 3443940 is 493443.

It can be written as a sum of positive squares in 2 ways, for example, as 1871424 + 1572516 = 1368^2 + 1254^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 64954 + ... + 65006.

It is an arithmetic number, because the mean of its divisors is an integer number (104013).

Almost surely, 2^3443940 is an apocalyptic number.

3443940 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 3443940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5616702).

3443940 is an abundant number, since it is smaller than the sum of its proper divisors (7789464).

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

3443940 is a wasteful number, since it uses less digits than its factorization.

3443940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106 (or 82 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 3443940 is about 1855.7855479554. The cubic root of 3443940 is about 151.0144570460.

The spelling of 3443940 in words is "three million, four hundred forty-three thousand, nine hundred forty".