3663779 has 6 divisors (see below), whose sum is σ = 4262004. Its totient is φ = 3140340.

The previous prime is 3663767. The next prime is 3663811. The reversal of 3663779 is 9773663.

It is not a de Polignac number, because 3663779 - 2⁴ = 3663763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3663749) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 37337 + ... + 37434.

It is an arithmetic number, because the mean of its divisors is an integer number (710334).

Almost surely, 2^3663779 is an apocalyptic number.

3663779 is a deficient number, since it is larger than the sum of its proper divisors (598225).

3663779 is an equidigital number, since it uses as much as digits as its factorization.

3663779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74785 (or 74778 counting only the distinct ones).

The product of its digits is 142884, while the sum is 41.

The square root of 3663779 is about 1914.1000496317. The cubic root of 3663779 is about 154.1616759362.

The spelling of 3663779 in words is "three million, six hundred sixty-three thousand, seven hundred seventy-nine".