3834861 has 4 divisors (see below), whose sum is σ = 5113152. Its totient is φ = 2556572.

The previous prime is 3834851. The next prime is 3834893. The reversal of 3834861 is 1684383.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1684383 = 3 ⋅561461.

It is a cyclic number.

It is not a de Polignac number, because 3834861 - 2⁵ = 3834829 is a prime.

It is a D-number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3834841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 639141 + ... + 639146.

It is an arithmetic number, because the mean of its divisors is an integer number (1278288).

Almost surely, 2^3834861 is an apocalyptic number.

It is an amenable number.

3834861 is a deficient number, since it is larger than the sum of its proper divisors (1278291).

3834861 is a wasteful number, since it uses less digits than its factorization.

3834861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1278290.

The product of its digits is 13824, while the sum is 33.

The square root of 3834861 is about 1958.2801127520. The cubic root of 3834861 is about 156.5248185418.

The spelling of 3834861 in words is "three million, eight hundred thirty-four thousand, eight hundred sixty-one".