2071939 has 2 divisors, whose sum is σ = 2071940. Its totient is φ = 2071938.

The previous prime is 2071921. The next prime is 2071957. The reversal of 2071939 is 9391702.

It is a balanced prime because it is at equal distance from previous prime (2071921) and next prime (2071957).

It is a cyclic number.

It is not a de Polignac number, because 2071939 - 2⁹ = 2071427 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2071939.

It is not a weakly prime, because it can be changed into another prime (2071999) 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, 1035969 + 1035970.

It is an arithmetic number, because the mean of its divisors is an integer number (1035970).

2^2071939 is an apocalyptic number.

2071939 is a deficient number, since it is larger than the sum of its proper divisors (1).

2071939 is an equidigital number, since it uses as much as digits as its factorization.

2071939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3402, while the sum is 31.

The square root of 2071939 is about 1439.4231483480. The cubic root of 2071939 is about 127.4849706750.

The spelling of 2071939 in words is "two million, seventy-one thousand, nine hundred thirty-nine".