2890997 has 2 divisors, whose sum is σ = 2890998. Its totient is φ = 2890996.

The previous prime is 2890961. The next prime is 2890999. The reversal of 2890997 is 7990982.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2436721 + 454276 = 1561^2 + 674^2 .

It is a cyclic number.

It is not a de Polignac number, because 2890997 - 2¹² = 2886901 is a prime.

Together with 2890999, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2890999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1445498 + 1445499.

It is an arithmetic number, because the mean of its divisors is an integer number (1445499).

2^2890997 is an apocalyptic number.

It is an amenable number.

2890997 is a deficient number, since it is larger than the sum of its proper divisors (1).

2890997 is an equidigital number, since it uses as much as digits as its factorization.

2890997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81648, while the sum is 44.

The square root of 2890997 is about 1700.2932100082. The cubic root of 2890997 is about 142.4565908611.

The spelling of 2890997 in words is "two million, eight hundred ninety thousand, nine hundred ninety-seven".