3976913 has 2 divisors, whose sum is σ = 3976914. Its totient is φ = 3976912.

The previous prime is 3976879. The next prime is 3976927. The reversal of 3976913 is 3196793.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3411409 + 565504 = 1847^2 + 752^2 .

It is a cyclic number.

It is not a de Polignac number, because 3976913 - 2⁶ = 3976849 is a prime.

It is not a weakly prime, because it can be changed into another prime (3976943) 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, 1988456 + 1988457.

It is an arithmetic number, because the mean of its divisors is an integer number (1988457).

Almost surely, 2^3976913 is an apocalyptic number.

It is an amenable number.

3976913 is a deficient number, since it is larger than the sum of its proper divisors (1).

3976913 is an equidigital number, since it uses as much as digits as its factorization.

3976913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30618, while the sum is 38.

The square root of 3976913 is about 1994.2198976041. The cubic root of 3976913 is about 158.4341130020.

The spelling of 3976913 in words is "three million, nine hundred seventy-six thousand, nine hundred thirteen".