3955979 has 2 divisors, whose sum is σ = 3955980. Its totient is φ = 3955978.

The previous prime is 3955969. The next prime is 3955993. The reversal of 3955979 is 9795593.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3955979 - 2⁸ = 3955723 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3955909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1977989 + 1977990.

It is an arithmetic number, because the mean of its divisors is an integer number (1977990).

Almost surely, 2^3955979 is an apocalyptic number.

3955979 is a deficient number, since it is larger than the sum of its proper divisors (1).

3955979 is an equidigital number, since it uses as much as digits as its factorization.

3955979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 382725, while the sum is 47.

The square root of 3955979 is about 1988.9643033499. The cubic root of 3955979 is about 158.1556309816.

The spelling of 3955979 in words is "three million, nine hundred fifty-five thousand, nine hundred seventy-nine".