3664544 has 48 divisors (see below), whose sum is σ = 8128512. Its totient is φ = 1613568.

The previous prime is 3664519. The next prime is 3664547. The reversal of 3664544 is 4454663.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 3664544.

It is not an unprimeable number, because it can be changed into a prime (3664547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9377 + ... + 9759.

It is an arithmetic number, because the mean of its divisors is an integer number (169344).

Almost surely, 2^3664544 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 3664544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4064256).

3664544 is an abundant number, since it is smaller than the sum of its proper divisors (4463968).

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

3664544 is a wasteful number, since it uses less digits than its factorization.

3664544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429 (or 421 counting only the distinct ones).

The product of its digits is 34560, while the sum is 32.

The square root of 3664544 is about 1914.2998720159. The cubic root of 3664544 is about 154.1724048834.

The spelling of 3664544 in words is "three million, six hundred sixty-four thousand, five hundred forty-four".