2939957 has 2 divisors, whose sum is σ = 2939958. Its totient is φ = 2939956.

The previous prime is 2939941. The next prime is 2939971. The reversal of 2939957 is 7599392.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1705636 + 1234321 = 1306^2 + 1111^2 .

It is a cyclic number.

It is not a de Polignac number, because 2939957 - 2⁴ = 2939941 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2939917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1469978 + 1469979.

It is an arithmetic number, because the mean of its divisors is an integer number (1469979).

2^2939957 is an apocalyptic number.

It is an amenable number.

2939957 is a deficient number, since it is larger than the sum of its proper divisors (1).

2939957 is an equidigital number, since it uses as much as digits as its factorization.

2939957 is an evil number, because the sum of its binary digits is even.

The product of its digits is 153090, while the sum is 44.

The square root of 2939957 is about 1714.6302808477. The cubic root of 2939957 is about 143.2562767114.

The spelling of 2939957 in words is "two million, nine hundred thirty-nine thousand, nine hundred fifty-seven".