3403644 has 12 divisors (see below), whose sum is σ = 7941864. Its totient is φ = 1134544.

The previous prime is 3403639. The next prime is 3403661. The reversal of 3403644 is 4463043.

It is a tau number, because it is divible by the number of its divisors (12).

It is a d-powerful number, because it can be written as 3¹⁰ + 4⁵ + 0 + 3¹³ + 6⁸ + 4⁶ + 4⁸ .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141807 + ... + 141830.

It is an arithmetic number, because the mean of its divisors is an integer number (661822).

Almost surely, 2^3403644 is an apocalyptic number.

It is an amenable number.

3403644 is an abundant number, since it is smaller than the sum of its proper divisors (4538220).

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

3403644 is a wasteful number, since it uses less digits than its factorization.

3403644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283644 (or 283642 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 3403644 is about 1844.8967450782. The cubic root of 3403644 is about 150.4231606667.

Adding to 3403644 its reverse (4463043), we get a palindrome (7866687).

The spelling of 3403644 in words is "three million, four hundred three thousand, six hundred forty-four".