3663544 has 8 divisors (see below), whose sum is σ = 6869160. Its totient is φ = 1831768.

The previous prime is 3663533. The next prime is 3663547. The reversal of 3663544 is 4453663.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3663547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228964 + ... + 228979.

It is an arithmetic number, because the mean of its divisors is an integer number (858645).

Almost surely, 2^3663544 is an apocalyptic number.

It is an amenable number.

3663544 is a deficient number, since it is larger than the sum of its proper divisors (3205616).

3663544 is a wasteful number, since it uses less digits than its factorization.

3663544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457949 (or 457945 counting only the distinct ones).

The product of its digits is 25920, while the sum is 31.

The square root of 3663544 is about 1914.0386620965. The cubic root of 3663544 is about 154.1583798159.

The spelling of 3663544 in words is "three million, six hundred sixty-three thousand, five hundred forty-four".