2868493 has 2 divisors, whose sum is σ = 2868494. Its totient is φ = 2868492.

The previous prime is 2868479. The next prime is 2868497. The reversal of 2868493 is 3948682.

2868493 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1471369 + 1397124 = 1213^2 + 1182^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2868493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2868497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1434246 + 1434247.

It is an arithmetic number, because the mean of its divisors is an integer number (1434247).

2^2868493 is an apocalyptic number.

It is an amenable number.

2868493 is a deficient number, since it is larger than the sum of its proper divisors (1).

2868493 is an equidigital number, since it uses as much as digits as its factorization.

2868493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 82944, while the sum is 40.

The square root of 2868493 is about 1693.6625992210. The cubic root of 2868493 is about 142.0859923499.

The spelling of 2868493 in words is "two million, eight hundred sixty-eight thousand, four hundred ninety-three".