3842939 has 8 divisors (see below), whose sum is σ = 3964032. Its totient is φ = 3723840.

The previous prime is 3842929. The next prime is 3842941. The reversal of 3842939 is 9392483.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3842939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3842929) 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, 4022 + ... + 4884.

It is an arithmetic number, because the mean of its divisors is an integer number (495504).

Almost surely, 2^3842939 is an apocalyptic number.

3842939 is a deficient number, since it is larger than the sum of its proper divisors (121093).

3842939 is an equidigital number, since it uses as much as digits as its factorization.

3842939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 997.

The product of its digits is 46656, while the sum is 38.

The square root of 3842939 is about 1960.3415518730. The cubic root of 3842939 is about 156.6346461394.

The spelling of 3842939 in words is "three million, eight hundred forty-two thousand, nine hundred thirty-nine".