3655983 has 8 divisors (see below), whose sum is σ = 4896000. Its totient is φ = 2426648.

The previous prime is 3655957. The next prime is 3655987. The reversal of 3655983 is 3895563.

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 3655983 - 2⁸ = 3655727 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3655987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1833 + ... + 3266.

It is an arithmetic number, because the mean of its divisors is an integer number (612000).

Almost surely, 2^3655983 is an apocalyptic number.

3655983 is a deficient number, since it is larger than the sum of its proper divisors (1240017).

3655983 is a wasteful number, since it uses less digits than its factorization.

3655983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5341.

The product of its digits is 97200, while the sum is 39.

The square root of 3655983 is about 1912.0624989785. The cubic root of 3655983 is about 154.0522535896.

The spelling of 3655983 in words is "three million, six hundred fifty-five thousand, nine hundred eighty-three".