2890961 has 2 divisors, whose sum is σ = 2890962. Its totient is φ = 2890960.

The previous prime is 2890957. The next prime is 2890997. The reversal of 2890961 is 1690982.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2890000 + 961 = 1700^2 + 31^2 .

It is a cyclic number.

It is not a de Polignac number, because 2890961 - 2² = 2890957 is a prime.

It is a Chen prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (2890061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1445480 + 1445481.

It is an arithmetic number, because the mean of its divisors is an integer number (1445481).

2^2890961 is an apocalyptic number.

It is an amenable number.

2890961 is a deficient number, since it is larger than the sum of its proper divisors (1).

2890961 is an equidigital number, since it uses as much as digits as its factorization.

2890961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 2890961 is about 1700.2826235659. The cubic root of 2890961 is about 142.4559995474.

The spelling of 2890961 in words is "two million, eight hundred ninety thousand, nine hundred sixty-one".