3847942 has 8 divisors (see below), whose sum is σ = 6596496. Its totient is φ = 1649112.

The previous prime is 3847939. The next prime is 3848017. The reversal of 3847942 is 2497483.

It is a happy number.

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

It is a plaindrome in base 12.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137413 + ... + 137440.

It is an arithmetic number, because the mean of its divisors is an integer number (824562).

Almost surely, 2^3847942 is an apocalyptic number.

3847942 is a deficient number, since it is larger than the sum of its proper divisors (2748554).

3847942 is a wasteful number, since it uses less digits than its factorization.

3847942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274862.

The product of its digits is 48384, while the sum is 37.

The square root of 3847942 is about 1961.6171899736. The cubic root of 3847942 is about 156.7025892174.

The spelling of 3847942 in words is "three million, eight hundred forty-seven thousand, nine hundred forty-two".