3427644 has 48 divisors (see below), whose sum is σ = 9112320. Its totient is φ = 992640.

The previous prime is 3427607. The next prime is 3427673. The reversal of 3427644 is 4467243.

3427644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a d-powerful number, because it can be written as 3⁹ + 4 + 2²¹ + 7² + 6² + 4⁹ + 4¹⁰ .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2472 + ... + 3600.

It is an arithmetic number, because the mean of its divisors is an integer number (189840).

Almost surely, 2^3427644 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 3427644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4556160).

3427644 is an abundant number, since it is smaller than the sum of its proper divisors (5684676).

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

3427644 is a wasteful number, since it uses less digits than its factorization.

3427644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1170 (or 1168 counting only the distinct ones).

The product of its digits is 16128, while the sum is 30.

The square root of 3427644 is about 1851.3897482702. The cubic root of 3427644 is about 150.7758908142.

The spelling of 3427644 in words is "three million, four hundred twenty-seven thousand, six hundred forty-four".