3843942 has 32 divisors (see below), whose sum is σ = 8059392. Its totient is φ = 1221024.

The previous prime is 3843941. The next prime is 3843943. The reversal of 3843942 is 2493483.

It is an interprime number because it is at equal distance from previous prime (3843941) and next prime (3843943).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3843941) 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 15 ways as a sum of consecutive naturals, for example, 11968 + ... + 12284.

It is an arithmetic number, because the mean of its divisors is an integer number (251856).

Almost surely, 2^3843942 is an apocalyptic number.

3843942 is an abundant number, since it is smaller than the sum of its proper divisors (4215450).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3843942 is a wasteful number, since it uses less digits than its factorization.

3843942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412.

The product of its digits is 20736, while the sum is 33.

The square root of 3843942 is about 1960.5973579499. The cubic root of 3843942 is about 156.6482720720.

The spelling of 3843942 in words is "three million, eight hundred forty-three thousand, nine hundred forty-two".