2790943 has 2 divisors, whose sum is σ = 2790944. Its totient is φ = 2790942.

The previous prime is 2790923. The next prime is 2790971. The reversal of 2790943 is 3490972.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2790943 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2790899 and 2790908.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2790923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1395471 + 1395472.

It is an arithmetic number, because the mean of its divisors is an integer number (1395472).

2^2790943 is an apocalyptic number.

2790943 is a deficient number, since it is larger than the sum of its proper divisors (1).

2790943 is an equidigital number, since it uses as much as digits as its factorization.

2790943 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 2790943 is about 1670.6115646673. The cubic root of 2790943 is about 140.7938405267.

The spelling of 2790943 in words is "two million, seven hundred ninety thousand, nine hundred forty-three".