3691608 has 16 divisors (see below), whose sum is σ = 9229080. Its totient is φ = 1230528.

The previous prime is 3691603. The next prime is 3691619. The reversal of 3691608 is 8061963.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3691603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76885 + ... + 76932.

Almost surely, 2^3691608 is an apocalyptic number.

It is an amenable number.

3691608 is an abundant number, since it is smaller than the sum of its proper divisors (5537472).

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

3691608 is a wasteful number, since it uses less digits than its factorization.

3691608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153826 (or 153822 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 3691608 is about 1921.3557713240. The cubic root of 3691608 is about 154.5510142490.

The spelling of 3691608 in words is "three million, six hundred ninety-one thousand, six hundred eight".