3974447 has 8 divisors (see below), whose sum is σ = 4306896. Its totient is φ = 3652992.

The previous prime is 3974441. The next prime is 3974459. The reversal of 3974447 is 7444793.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 3974447 - 2¹⁴ = 3958063 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3974447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3974441) 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 7 ways as a sum of consecutive naturals, for example, 1988 + ... + 3449.

It is an arithmetic number, because the mean of its divisors is an integer number (538362).

Almost surely, 2^3974447 is an apocalyptic number.

3974447 is a deficient number, since it is larger than the sum of its proper divisors (332449).

3974447 is a wasteful number, since it uses less digits than its factorization.

3974447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5497.

The product of its digits is 84672, while the sum is 38.

The square root of 3974447 is about 1993.6015148469. The cubic root of 3974447 is about 158.4013590121.

The spelling of 3974447 in words is "three million, nine hundred seventy-four thousand, four hundred forty-seven".