3655673 has 4 divisors (see below), whose sum is σ = 4177920. Its totient is φ = 3133428.

The previous prime is 3655667. The next prime is 3655681. The reversal of 3655673 is 3765563.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3655673 - 2⁶ = 3655609 is a prime.

It is a d-powerful number, because it can be written as 3⁴ + 6² + 5⁵ + 5⁹ + 6⁸ + 7 + 3⁹ .

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3655633) 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, 261113 + ... + 261126.

It is an arithmetic number, because the mean of its divisors is an integer number (1044480).

Almost surely, 2^3655673 is an apocalyptic number.

It is an amenable number.

3655673 is a deficient number, since it is larger than the sum of its proper divisors (522247).

3655673 is an equidigital number, since it uses as much as digits as its factorization.

3655673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522246.

The product of its digits is 56700, while the sum is 35.

The square root of 3655673 is about 1911.9814329642. The cubic root of 3655673 is about 154.0478993071.

The spelling of 3655673 in words is "three million, six hundred fifty-five thousand, six hundred seventy-three".