3664224 has 48 divisors (see below), whose sum is σ = 10689840. Its totient is φ = 1221120.

The previous prime is 3664189. The next prime is 3664247. The reversal of 3664224 is 4224663.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (27).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1257 + ... + 2984.

It is an arithmetic number, because the mean of its divisors is an integer number (222705).

Almost surely, 2^3664224 is an apocalyptic number.

It is an amenable number.

3664224 is an abundant number, since it is smaller than the sum of its proper divisors (7025616).

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

3664224 is a wasteful number, since it uses less digits than its factorization.

3664224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4260 (or 4246 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

The square root of 3664224 is about 1914.2162887197. The cubic root of 3664224 is about 154.1679171394.

Adding to 3664224 its reverse (4224663), we get a palindrome (7888887).

The spelling of 3664224 in words is "three million, six hundred sixty-four thousand, two hundred twenty-four".