3976943 has 2 divisors, whose sum is σ = 3976944. Its totient is φ = 3976942.

The previous prime is 3976927. The next prime is 3976949. The reversal of 3976943 is 3496793.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3976943 - 2⁴ = 3976927 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3976943.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3976949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1988471 + 1988472.

It is an arithmetic number, because the mean of its divisors is an integer number (1988472).

Almost surely, 2^3976943 is an apocalyptic number.

3976943 is a deficient number, since it is larger than the sum of its proper divisors (1).

3976943 is an equidigital number, since it uses as much as digits as its factorization.

3976943 is an evil number, because the sum of its binary digits is even.

The product of its digits is 122472, while the sum is 41.

The square root of 3976943 is about 1994.2274193281. The cubic root of 3976943 is about 158.4345113857.

The spelling of 3976943 in words is "three million, nine hundred seventy-six thousand, nine hundred forty-three".