3655873 has 8 divisors (see below), whose sum is σ = 4108608. Its totient is φ = 3227664.

The previous prime is 3655849. The next prime is 3655877. The reversal of 3655873 is 3785563.

3655873 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 3655873 - 2⁹ = 3655361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3655877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5815 + ... + 6412.

It is an arithmetic number, because the mean of its divisors is an integer number (513576).

Almost surely, 2^3655873 is an apocalyptic number.

It is an amenable number.

3655873 is a deficient number, since it is larger than the sum of its proper divisors (452735).

3655873 is a wasteful number, since it uses less digits than its factorization.

3655873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12263.

The product of its digits is 75600, while the sum is 37.

The square root of 3655873 is about 1912.0337340120. The cubic root of 3655873 is about 154.0507085498.

The spelling of 3655873 in words is "three million, six hundred fifty-five thousand, eight hundred seventy-three".