3630664 has 8 divisors (see below), whose sum is σ = 6807510. Its totient is φ = 1815328.

The previous prime is 3630643. The next prime is 3630667. The reversal of 3630664 is 4660363.

3630664 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 3572100 + 58564 = 1890^2 + 242^2 .

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

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (3630667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 226909 + ... + 226924.

Almost surely, 2^3630664 is an apocalyptic number.

It is an amenable number.

3630664 is a deficient number, since it is larger than the sum of its proper divisors (3176846).

3630664 is a wasteful number, since it uses less digits than its factorization.

3630664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453839 (or 453835 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 28.

The square root of 3630664 is about 1905.4301351663. The cubic root of 3630664 is about 153.6958070182.

The spelling of 3630664 in words is "three million, six hundred thirty thousand, six hundred sixty-four".