3974842 has 8 divisors (see below), whose sum is σ = 6051456. Its totient is φ = 1957692.

The previous prime is 3974833. The next prime is 3974849. The reversal of 3974842 is 2484793.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (3974849) 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 3 ways as a sum of consecutive naturals, for example, 14698 + ... + 14965.

It is an arithmetic number, because the mean of its divisors is an integer number (756432).

Almost surely, 2^3974842 is an apocalyptic number.

3974842 is a deficient number, since it is larger than the sum of its proper divisors (2076614).

3974842 is a wasteful number, since it uses less digits than its factorization.

3974842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29732.

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

The square root of 3974842 is about 1993.7005793248. The cubic root of 3974842 is about 158.4066064058.

The spelling of 3974842 in words is "three million, nine hundred seventy-four thousand, eight hundred forty-two".