3861793 has 4 divisors (see below), whose sum is σ = 4158868. Its totient is φ = 3564720.

The previous prime is 3861751. The next prime is 3861811. The reversal of 3861793 is 3971683.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3971683 = 181 ⋅21943.

It can be written as a sum of positive squares in 2 ways, for example, as 2634129 + 1227664 = 1623^2 + 1108^2 .

It is a cyclic number.

It is not a de Polignac number, because 3861793 - 2¹⁷ = 3730721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3861713) 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, 148518 + ... + 148543.

It is an arithmetic number, because the mean of its divisors is an integer number (1039717).

Almost surely, 2^3861793 is an apocalyptic number.

It is an amenable number.

3861793 is a deficient number, since it is larger than the sum of its proper divisors (297075).

3861793 is a wasteful number, since it uses less digits than its factorization.

3861793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297074.

The product of its digits is 27216, while the sum is 37.

The square root of 3861793 is about 1965.1445239473. The cubic root of 3861793 is about 156.8903855748.

The spelling of 3861793 in words is "three million, eight hundred sixty-one thousand, seven hundred ninety-three".