3828791 has 4 divisors (see below), whose sum is σ = 4054032. Its totient is φ = 3603552.

The previous prime is 3828751. The next prime is 3828821. The reversal of 3828791 is 1978283.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1978283 = 947 ⋅2089.

It is a cyclic number.

It is not a de Polignac number, because 3828791 - 2¹⁰ = 3827767 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3828701) 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, 112595 + ... + 112628.

It is an arithmetic number, because the mean of its divisors is an integer number (1013508).

Almost surely, 2^3828791 is an apocalyptic number.

3828791 is a deficient number, since it is larger than the sum of its proper divisors (225241).

3828791 is a wasteful number, since it uses less digits than its factorization.

3828791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225240.

The product of its digits is 24192, while the sum is 38.

The square root of 3828791 is about 1956.7296696274. The cubic root of 3828791 is about 156.4421899597.

The spelling of 3828791 in words is "three million, eight hundred twenty-eight thousand, seven hundred ninety-one".