3976397 has 2 divisors, whose sum is σ = 3976398. Its totient is φ = 3976396.

The previous prime is 3976391. The next prime is 3976403. The reversal of 3976397 is 7936793.

It is a balanced prime because it is at equal distance from previous prime (3976391) and next prime (3976403).

It can be written as a sum of positive squares in only one way, i.e., 3976036 + 361 = 1994^2 + 19^2 .

It is a cyclic number.

It is not a de Polignac number, because 3976397 - 2⁴ = 3976381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3976391) 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, 1988198 + 1988199.

It is an arithmetic number, because the mean of its divisors is an integer number (1988199).

Almost surely, 2^3976397 is an apocalyptic number.

It is an amenable number.

3976397 is a deficient number, since it is larger than the sum of its proper divisors (1).

3976397 is an equidigital number, since it uses as much as digits as its factorization.

3976397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 214326, while the sum is 44.

The square root of 3976397 is about 1994.0905195101. The cubic root of 3976397 is about 158.4272604895.

The spelling of 3976397 in words is "three million, nine hundred seventy-six thousand, three hundred ninety-seven".