2788997 has 2 divisors, whose sum is σ = 2788998. Its totient is φ = 2788996.

The previous prime is 2788987. The next prime is 2789011. The reversal of 2788997 is 7998872.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2307361 + 481636 = 1519^2 + 694^2 .

It is a cyclic number.

It is not a de Polignac number, because 2788997 - 2²⁰ = 1740421 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2788927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1394498 + 1394499.

It is an arithmetic number, because the mean of its divisors is an integer number (1394499).

2^2788997 is an apocalyptic number.

It is an amenable number.

2788997 is a deficient number, since it is larger than the sum of its proper divisors (1).

2788997 is an equidigital number, since it uses as much as digits as its factorization.

2788997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 508032, while the sum is 50.

The square root of 2788997 is about 1670.0290416636. The cubic root of 2788997 is about 140.7611098310.

The spelling of 2788997 in words is "two million, seven hundred eighty-eight thousand, nine hundred ninety-seven".