3974747 has 8 divisors (see below), whose sum is σ = 4563936. Its totient is φ = 3390912.

The previous prime is 3974741. The next prime is 3974749. The reversal of 3974747 is 7474793.

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

It is not a de Polignac number, because 3974747 - 2⁶ = 3974683 is a prime.

It is a super-2 number, since 2×3974747² = 31597227428018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3974741) 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, 413 + ... + 2849.

It is an arithmetic number, because the mean of its divisors is an integer number (570492).

Almost surely, 2^3974747 is an apocalyptic number.

3974747 is a deficient number, since it is larger than the sum of its proper divisors (589189).

3974747 is a wasteful number, since it uses less digits than its factorization.

3974747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2677.

The product of its digits is 148176, while the sum is 41.

The square root of 3974747 is about 1993.6767541404. The cubic root of 3974747 is about 158.4053444061.

The spelling of 3974747 in words is "three million, nine hundred seventy-four thousand, seven hundred forty-seven".