2868919 has 2 divisors, whose sum is σ = 2868920. Its totient is φ = 2868918.

The previous prime is 2868871. The next prime is 2868947. The reversal of 2868919 is 9198682.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2868919 - 2⁹ = 2868407 is a prime.

It is a super-2 number, since 2×2868919² = 16461392457122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2868949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1434459 + 1434460.

It is an arithmetic number, because the mean of its divisors is an integer number (1434460).

2^2868919 is an apocalyptic number.

2868919 is a deficient number, since it is larger than the sum of its proper divisors (1).

2868919 is an equidigital number, since it uses as much as digits as its factorization.

2868919 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62208, while the sum is 43.

The square root of 2868919 is about 1693.7883574992. The cubic root of 2868919 is about 142.0930257337.

The spelling of 2868919 in words is "two million, eight hundred sixty-eight thousand, nine hundred nineteen".