3955799 has 2 divisors, whose sum is σ = 3955800. Its totient is φ = 3955798.

The previous prime is 3955771. The next prime is 3955813. The reversal of 3955799 is 9975593.

It is a strong prime.

It is an emirp because it is prime and its reverse (9975593) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3955799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3955709) 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, 1977899 + 1977900.

It is an arithmetic number, because the mean of its divisors is an integer number (1977900).

Almost surely, 2^3955799 is an apocalyptic number.

3955799 is a deficient number, since it is larger than the sum of its proper divisors (1).

3955799 is an equidigital number, since it uses as much as digits as its factorization.

3955799 is an odious number, because the sum of its binary digits is odd.

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

The square root of 3955799 is about 1988.9190531543. The cubic root of 3955799 is about 158.1532322121.

The spelling of 3955799 in words is "three million, nine hundred fifty-five thousand, seven hundred ninety-nine".