2831089 has 2 divisors, whose sum is σ = 2831090. Its totient is φ = 2831088.

The previous prime is 2831069. The next prime is 2831141. The reversal of 2831089 is 9801382.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2480625 + 350464 = 1575^2 + 592^2 .

It is a cyclic number.

It is not a de Polignac number, because 2831089 - 2⁹ = 2830577 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2831089.

It is not a weakly prime, because it can be changed into another prime (2831039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1415544 + 1415545.

It is an arithmetic number, because the mean of its divisors is an integer number (1415545).

2^2831089 is an apocalyptic number.

It is an amenable number.

2831089 is a deficient number, since it is larger than the sum of its proper divisors (1).

2831089 is an equidigital number, since it uses as much as digits as its factorization.

2831089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 2831089 is about 1682.5840246478. The cubic root of 2831089 is about 141.4657069148.

The spelling of 2831089 in words is "two million, eight hundred thirty-one thousand, eighty-nine".