3655506 has 16 divisors (see below), whose sum is σ = 7414848. Its totient is φ = 1201200.

The previous prime is 3655501. The next prime is 3655513. The reversal of 3655506 is 6055563.

It is not an unprimeable number, because it can be changed into a prime (3655501) 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, 3865 + ... + 4716.

It is an arithmetic number, because the mean of its divisors is an integer number (463428).

Almost surely, 2^3655506 is an apocalyptic number.

3655506 is an abundant number, since it is smaller than the sum of its proper divisors (3759342).

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

3655506 is a wasteful number, since it uses less digits than its factorization.

3655506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8657.

The product of its (nonzero) digits is 13500, while the sum is 30.

The square root of 3655506 is about 1911.9377604933. The cubic root of 3655506 is about 154.0455535110.

The spelling of 3655506 in words is "three million, six hundred fifty-five thousand, five hundred six".