3828891 has 8 divisors (see below), whose sum is σ = 5569344. Its totient is φ = 2320520.

The previous prime is 3828887. The next prime is 3828901. The reversal of 3828891 is 1988283.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3828891 - 2² = 3828887 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3828821) 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 7 ways as a sum of consecutive naturals, for example, 57981 + ... + 58046.

It is an arithmetic number, because the mean of its divisors is an integer number (696168).

Almost surely, 2^3828891 is an apocalyptic number.

3828891 is a deficient number, since it is larger than the sum of its proper divisors (1740453).

3828891 is a wasteful number, since it uses less digits than its factorization.

3828891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116041.

The product of its digits is 27648, while the sum is 39.

The square root of 3828891 is about 1956.7552223004. The cubic root of 3828891 is about 156.4435519286.

The spelling of 3828891 in words is "three million, eight hundred twenty-eight thousand, eight hundred ninety-one".