3421644 has 24 divisors (see below), whose sum is σ = 8015280. Its totient is φ = 1136064.

The previous prime is 3421637. The next prime is 3421657. The reversal of 3421644 is 4461243.

3421644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

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 7 ways as a sum of consecutive naturals, for example, 4302 + ... + 5034.

It is an arithmetic number, because the mean of its divisors is an integer number (333970).

Almost surely, 2^3421644 is an apocalyptic number.

It is an amenable number.

3421644 is an abundant number, since it is smaller than the sum of its proper divisors (4593636).

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

3421644 is a wasteful number, since it uses less digits than its factorization.

3421644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1129 (or 1127 counting only the distinct ones).

The product of its digits is 2304, while the sum is 24.

The square root of 3421644 is about 1849.7686341810. The cubic root of 3421644 is about 150.6878630302.

Adding to 3421644 its reverse (4461243), we get a palindrome (7882887).

The spelling of 3421644 in words is "three million, four hundred twenty-one thousand, six hundred forty-four".