3833861 has 4 divisors (see below), whose sum is σ = 3906252. Its totient is φ = 3761472.

The previous prime is 3833833. The next prime is 3833867. The reversal of 3833861 is 1683383.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1683383 = 13 ⋅129491.

It can be written as a sum of positive squares in 2 ways, for example, as 1943236 + 1890625 = 1394^2 + 1375^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3833861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3833867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36116 + ... + 36221.

It is an arithmetic number, because the mean of its divisors is an integer number (976563).

Almost surely, 2^3833861 is an apocalyptic number.

It is an amenable number.

3833861 is a deficient number, since it is larger than the sum of its proper divisors (72391).

3833861 is an equidigital number, since it uses as much as digits as its factorization.

3833861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72390.

The product of its digits is 10368, while the sum is 32.

The square root of 3833861 is about 1958.0247700170. The cubic root of 3833861 is about 156.5112119273.

The spelling of 3833861 in words is "three million, eight hundred thirty-three thousand, eight hundred sixty-one".