2939971 has 2 divisors, whose sum is σ = 2939972. Its totient is φ = 2939970.

The previous prime is 2939957. The next prime is 2939977. The reversal of 2939971 is 1799392.

2939971 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2939971 - 2¹³ = 2931779 is a prime.

2939971 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (2939977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1469985 + 1469986.

It is an arithmetic number, because the mean of its divisors is an integer number (1469986).

2^2939971 is an apocalyptic number.

2939971 is a deficient number, since it is larger than the sum of its proper divisors (1).

2939971 is an equidigital number, since it uses as much as digits as its factorization.

2939971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30618, while the sum is 40.

The square root of 2939971 is about 1714.6343633556. The cubic root of 2939971 is about 143.2565041052.

It can be divided in two parts, 29 and 39971, that added together give a square (40000 = 200²).

The spelling of 2939971 in words is "two million, nine hundred thirty-nine thousand, nine hundred seventy-one".