3443664 has 80 divisors (see below), whose sum is σ = 10479488. Its totient is φ = 953856.

The previous prime is 3443659. The next prime is 3443669. The reversal of 3443664 is 4663443.

It is an interprime number because it is at equal distance from previous prime (3443659) and next prime (3443669).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3443669) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12294 + ... + 12570.

Almost surely, 2^3443664 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 3443664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5239744).

3443664 is an abundant number, since it is smaller than the sum of its proper divisors (7035824).

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

3443664 is a wasteful number, since it uses less digits than its factorization.

3443664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332 (or 326 counting only the distinct ones).

The product of its digits is 20736, while the sum is 30.

The square root of 3443664 is about 1855.7111844250. The cubic root of 3443664 is about 151.0104228000.

The spelling of 3443664 in words is "three million, four hundred forty-three thousand, six hundred sixty-four".