3973247 has 2 divisors, whose sum is σ = 3973248. Its totient is φ = 3973246.

The previous prime is 3973241. The next prime is 3973253. The reversal of 3973247 is 7423793.

It is a balanced prime because it is at equal distance from previous prime (3973241) and next prime (3973253).

It is a cyclic number.

It is not a de Polignac number, because 3973247 - 2⁶ = 3973183 is a prime.

It is a Chen prime.

It is a d-powerful number, because it can be written as 3¹³ + 9⁶ + 7³ + 3¹³ + 2¹⁷ + 4⁶ + 7⁶ .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3973241) 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 as a sum of consecutive naturals, namely, 1986623 + 1986624.

It is an arithmetic number, because the mean of its divisors is an integer number (1986624).

Almost surely, 2^3973247 is an apocalyptic number.

3973247 is a deficient number, since it is larger than the sum of its proper divisors (1).

3973247 is an equidigital number, since it uses as much as digits as its factorization.

3973247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31752, while the sum is 35.

The square root of 3973247 is about 1993.3005292730. The cubic root of 3973247 is about 158.3854154301.

The spelling of 3973247 in words is "three million, nine hundred seventy-three thousand, two hundred forty-seven".