3142939 has 2 divisors, whose sum is σ = 3142940. Its totient is φ = 3142938.

The previous prime is 3142907. The next prime is 3142949. The reversal of 3142939 is 9392413.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3142939 - 2⁵ = 3142907 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3142939.

It is not a weakly prime, because it can be changed into another prime (3142949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1571469 + 1571470.

It is an arithmetic number, because the mean of its divisors is an integer number (1571470).

Almost surely, 2^3142939 is an apocalyptic number.

3142939 is a deficient number, since it is larger than the sum of its proper divisors (1).

3142939 is an equidigital number, since it uses as much as digits as its factorization.

3142939 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5832, while the sum is 31.

The square root of 3142939 is about 1772.8336075334. The cubic root of 3142939 is about 146.4801077255.

The spelling of 3142939 in words is "three million, one hundred forty-two thousand, nine hundred thirty-nine".