2756939 has 2 divisors, whose sum is σ = 2756940. Its totient is φ = 2756938.

The previous prime is 2756933. The next prime is 2756959. The reversal of 2756939 is 9396572.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2756939 - 2⁸ = 2756683 is a prime.

It is a d-powerful number, because it can be written as 2 + 7⁷ + 5 + 6⁷ + 9² + 3¹³ + 9⁵ .

It is a junction number, because it is equal to n+sod(n) for n = 2756896 and 2756905.

It is not a weakly prime, because it can be changed into another prime (2756933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1378469 + 1378470.

It is an arithmetic number, because the mean of its divisors is an integer number (1378470).

2^2756939 is an apocalyptic number.

2756939 is a deficient number, since it is larger than the sum of its proper divisors (1).

2756939 is an equidigital number, since it uses as much as digits as its factorization.

2756939 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 102060, while the sum is 41.

The square root of 2756939 is about 1660.4032642705. The cubic root of 2756939 is about 140.2197060490.

The spelling of 2756939 in words is "two million, seven hundred fifty-six thousand, nine hundred thirty-nine".