2939 has 2 divisors, whose sum is σ = 2940. Its totient is φ = 2938.

The previous prime is 2927. The next prime is 2953. The reversal of 2939 is 9392.

2939 is nontrivially palindromic in base 16.

It is a weak prime.

2939 is a truncatable prime.

It is a cyclic number.

It is not a de Polignac number, because 2939 - 2^{8} = 2683 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a d-powerful number, because it can be written as **2**^{11} + **3**^{6} + **9**^{2} + **9**^{2} .

2939 is an undulating number in base 16.

It is a plaindrome in base 7.

It is not a weakly prime, because it can be changed into another prime (2909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1469 + 1470.

It is an arithmetic number, because the mean of its divisors is an integer number (1470).

2^{2939} is an apocalyptic number.

2939 is a deficient number, since it is larger than the sum of its proper divisors (1).

2939 is an equidigital number, since it uses as much as digits as its factorization.

2939 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 486, while the sum is 23.

The square root of 2939 is about 54.2125446737. The cubic root of 2939 is about 14.3240731004.

Subtracting from 2939 its sum of digits (23), we obtain a square (2916 = 54^{2}).

The spelling of 2939 in words is "two thousand, nine hundred thirty-nine".

• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.113 sec. • engine limits •