3974247 has 12 divisors (see below), whose sum is σ = 5938920. Its totient is φ = 2557968.

The previous prime is 3974237. The next prime is 3974261. The reversal of 3974247 is 7424793.

It is not a de Polignac number, because 3974247 - 2¹² = 3970151 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3974227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7353 + ... + 7874.

It is an arithmetic number, because the mean of its divisors is an integer number (494910).

Almost surely, 2^3974247 is an apocalyptic number.

3974247 is a deficient number, since it is larger than the sum of its proper divisors (1964673).

3974247 is a wasteful number, since it uses less digits than its factorization.

3974247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15262 (or 15259 counting only the distinct ones).

The product of its digits is 42336, while the sum is 36.

The square root of 3974247 is about 1993.5513537404. The cubic root of 3974247 is about 158.3987019713.

The spelling of 3974247 in words is "three million, nine hundred seventy-four thousand, two hundred forty-seven".