3656011 has 8 divisors (see below), whose sum is σ = 3909024. Its totient is φ = 3410880.

The previous prime is 3655987. The next prime is 3656017. The reversal of 3656011 is 1106563.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3656011 - 2⁹ = 3655499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3656017) 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, 996 + ... + 2881.

It is an arithmetic number, because the mean of its divisors is an integer number (488628).

Almost surely, 2^3656011 is an apocalyptic number.

3656011 is a deficient number, since it is larger than the sum of its proper divisors (253013).

3656011 is a wasteful number, since it uses less digits than its factorization.

3656011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3941.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 3656011 is about 1912.0698209009. The cubic root of 3656011 is about 154.0526468675.

The spelling of 3656011 in words is "three million, six hundred fifty-six thousand, eleven".