3644408 has 24 divisors (see below), whose sum is σ = 7029840. Its totient is φ = 1771200.

The previous prime is 3644357. The next prime is 3644411. The reversal of 3644408 is 8044463.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13313 + ... + 13583.

It is an arithmetic number, because the mean of its divisors is an integer number (292910).

Almost surely, 2^3644408 is an apocalyptic number.

It is an amenable number.

3644408 is a deficient number, since it is larger than the sum of its proper divisors (3385432).

3644408 is a wasteful number, since it uses less digits than its factorization.

3644408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359 (or 314 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 3644408 is about 1909.0332631989. The cubic root of 3644408 is about 153.8895030151.

It can be divided in two parts, 36 and 44408, that added together give a palindrome (44444).

The spelling of 3644408 in words is "three million, six hundred forty-four thousand, four hundred eight".