2797961 has 2 divisors, whose sum is σ = 2797962. Its totient is φ = 2797960.

The previous prime is 2797939. The next prime is 2797999. The reversal of 2797961 is 1697972.

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., 2157961 + 640000 = 1469^2 + 800^2 .

It is a cyclic number.

It is not a de Polignac number, because 2797961 - 2¹⁴ = 2781577 is a prime.

It is not a weakly prime, because it can be changed into another prime (2797901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1398980 + 1398981.

It is an arithmetic number, because the mean of its divisors is an integer number (1398981).

2^2797961 is an apocalyptic number.

It is an amenable number.

2797961 is a deficient number, since it is larger than the sum of its proper divisors (1).

2797961 is an equidigital number, since it uses as much as digits as its factorization.

2797961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 47628, while the sum is 41.

The square root of 2797961 is about 1672.7106743248. The cubic root of 2797961 is about 140.9117533757.

The spelling of 2797961 in words is "two million, seven hundred ninety-seven thousand, nine hundred sixty-one".