3664449 has 12 divisors (see below), whose sum is σ = 5406336. Its totient is φ = 2390712.

The previous prime is 3664447. The next prime is 3664483. The reversal of 3664449 is 9444663.

3664449 is a `hidden beast` number, since 3 + 6 + 644 + 4 + 9 = 666.

It is not a de Polignac number, because 3664449 - 2¹ = 3664447 is a prime.

It is a Curzon number.

3664449 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3664447) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3909 + ... + 4754.

It is an arithmetic number, because the mean of its divisors is an integer number (450528).

Almost surely, 2^3664449 is an apocalyptic number.

It is an amenable number.

3664449 is a deficient number, since it is larger than the sum of its proper divisors (1741887).

3664449 is a wasteful number, since it uses less digits than its factorization.

3664449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8716 (or 8713 counting only the distinct ones).

The product of its digits is 62208, while the sum is 36.

The square root of 3664449 is about 1914.2750586057. The cubic root of 3664449 is about 154.1710726117.

The spelling of 3664449 in words is "three million, six hundred sixty-four thousand, four hundred forty-nine".