3649908 has 24 divisors (see below), whose sum is σ = 8602048. Its totient is φ = 1204416.

The previous prime is 3649907. The next prime is 3649913. The reversal of 3649908 is 8099463.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3649903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 241 + ... + 2712.

Almost surely, 2^3649908 is an apocalyptic number.

It is an amenable number.

3649908 is an abundant number, since it is smaller than the sum of its proper divisors (4952140).

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

3649908 is a wasteful number, since it uses less digits than its factorization.

3649908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3063 (or 3061 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 3649908 is about 1910.4732398021. The cubic root of 3649908 is about 153.9668788050.

The spelling of 3649908 in words is "three million, six hundred forty-nine thousand, nine hundred eight".