3950939 has 2 divisors, whose sum is σ = 3950940. Its totient is φ = 3950938.

The previous prime is 3950929. The next prime is 3950941. The reversal of 3950939 is 9390593.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3950939 - 2¹² = 3946843 is a prime.

Together with 3950941, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3950929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1975469 + 1975470.

It is an arithmetic number, because the mean of its divisors is an integer number (1975470).

Almost surely, 2^3950939 is an apocalyptic number.

3950939 is a deficient number, since it is larger than the sum of its proper divisors (1).

3950939 is an equidigital number, since it uses as much as digits as its factorization.

3950939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32805, while the sum is 38.

The square root of 3950939 is about 1987.6969084848. The cubic root of 3950939 is about 158.0884379110.

The spelling of 3950939 in words is "three million, nine hundred fifty thousand, nine hundred thirty-nine".