3974147 has 8 divisors (see below), whose sum is σ = 4181760. Its totient is φ = 3769480.

The previous prime is 3974143. The next prime is 3974167. The reversal of 3974147 is 7414793.

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 3974147 - 2² = 3974143 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3974143) 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, 2354 + ... + 3672.

It is an arithmetic number, because the mean of its divisors is an integer number (522720).

Almost surely, 2^3974147 is an apocalyptic number.

3974147 is a deficient number, since it is larger than the sum of its proper divisors (207613).

3974147 is a wasteful number, since it uses less digits than its factorization.

3974147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1473.

The product of its digits is 21168, while the sum is 35.

The square root of 3974147 is about 1993.5262727138. The cubic root of 3974147 is about 158.3973734175.

The spelling of 3974147 in words is "three million, nine hundred seventy-four thousand, one hundred forty-seven".