3538644 has 12 divisors (see below), whose sum is σ = 8256864. Its totient is φ = 1179544.

The previous prime is 3538627. The next prime is 3538649. The reversal of 3538644 is 4468353.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3538649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147432 + ... + 147455.

It is an arithmetic number, because the mean of its divisors is an integer number (688072).

Almost surely, 2^3538644 is an apocalyptic number.

It is an amenable number.

3538644 is an abundant number, since it is smaller than the sum of its proper divisors (4718220).

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

3538644 is a wasteful number, since it uses less digits than its factorization.

3538644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294894 (or 294892 counting only the distinct ones).

The product of its digits is 34560, while the sum is 33.

The square root of 3538644 is about 1881.1283847734. The cubic root of 3538644 is about 152.3861947663.

The spelling of 3538644 in words is "three million, five hundred thirty-eight thousand, six hundred forty-four".