3665933 has 4 divisors (see below), whose sum is σ = 3755388. Its totient is φ = 3576480.

The previous prime is 3665911. The next prime is 3665939. The reversal of 3665933 is 3395663.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 769129 + 2896804 = 877^2 + 1702^2 .

It is a cyclic number.

It is not a de Polignac number, because 3665933 - 2⁶ = 3665869 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3665893 and 3665902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3665939) 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, 44666 + ... + 44747.

It is an arithmetic number, because the mean of its divisors is an integer number (938847).

Almost surely, 2^3665933 is an apocalyptic number.

It is an amenable number.

3665933 is a deficient number, since it is larger than the sum of its proper divisors (89455).

3665933 is an equidigital number, since it uses as much as digits as its factorization.

3665933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89454.

The product of its digits is 43740, while the sum is 35.

The square root of 3665933 is about 1914.6626334684. The cubic root of 3665933 is about 154.1918814695.

The spelling of 3665933 in words is "three million, six hundred sixty-five thousand, nine hundred thirty-three".