3967242 has 16 divisors (see below), whose sum is σ = 8128512. Its totient is φ = 1290080.

The previous prime is 3967241. The next prime is 3967253. The reversal of 3967242 is 2427693.

It is not an unprimeable number, because it can be changed into a prime (3967241) 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, 7818 + ... + 8309.

It is an arithmetic number, because the mean of its divisors is an integer number (508032).

Almost surely, 2^3967242 is an apocalyptic number.

3967242 is an abundant number, since it is smaller than the sum of its proper divisors (4161270).

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

3967242 is a wasteful number, since it uses less digits than its factorization.

3967242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16173.

The product of its digits is 18144, while the sum is 33.

The square root of 3967242 is about 1991.7936640124. The cubic root of 3967242 is about 158.3055828251.

The spelling of 3967242 in words is "three million, nine hundred sixty-seven thousand, two hundred forty-two".