3829891 has 8 divisors (see below), whose sum is σ = 4304160. Its totient is φ = 3381312.

The previous prime is 3829883. The next prime is 3829897. The reversal of 3829891 is 1989283.

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 3829891 - 2³ = 3829883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3829897) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6106 + ... + 6703.

It is an arithmetic number, because the mean of its divisors is an integer number (538020).

Almost surely, 2^3829891 is an apocalyptic number.

3829891 is a deficient number, since it is larger than the sum of its proper divisors (474269).

3829891 is a wasteful number, since it uses less digits than its factorization.

3829891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12845.

The product of its digits is 31104, while the sum is 40.

The square root of 3829891 is about 1957.0107306809. The cubic root of 3829891 is about 156.4571703136.

It can be divided in two parts, 38 and 29891, that added together give a square (29929 = 173²).

The spelling of 3829891 in words is "three million, eight hundred twenty-nine thousand, eight hundred ninety-one".