3661793 has 4 divisors (see below), whose sum is σ = 3667908. Its totient is φ = 3655680.

The previous prime is 3661781. The next prime is 3661831. The reversal of 3661793 is 3971663.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3971663 = 23 ⋅172681.

It can be written as a sum of positive squares in 2 ways, for example, as 1940449 + 1721344 = 1393^2 + 1312^2 .

It is a cyclic number.

It is not a de Polignac number, because 3661793 - 2¹⁴ = 3645409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3661703) 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, 2048 + ... + 3393.

It is an arithmetic number, because the mean of its divisors is an integer number (916977).

Almost surely, 2^3661793 is an apocalyptic number.

It is an amenable number.

3661793 is a deficient number, since it is larger than the sum of its proper divisors (6115).

3661793 is an equidigital number, since it uses as much as digits as its factorization.

3661793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6114.

The product of its digits is 20412, while the sum is 35.

The square root of 3661793 is about 1913.5811976501. The cubic root of 3661793 is about 154.1338157745.

The spelling of 3661793 in words is "three million, six hundred sixty-one thousand, seven hundred ninety-three".