2878793 has 2 divisors, whose sum is σ = 2878794. Its totient is φ = 2878792.

The previous prime is 2878783. The next prime is 2878819. The reversal of 2878793 is 3978782.

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., 2866249 + 12544 = 1693^2 + 112^2 .

It is a cyclic number.

It is not a de Polignac number, because 2878793 - 2⁸ = 2878537 is a prime.

It is not a weakly prime, because it can be changed into another prime (2878723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1439396 + 1439397.

It is an arithmetic number, because the mean of its divisors is an integer number (1439397).

2^2878793 is an apocalyptic number.

It is an amenable number.

2878793 is a deficient number, since it is larger than the sum of its proper divisors (1).

2878793 is an equidigital number, since it uses as much as digits as its factorization.

2878793 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 169344, while the sum is 44.

The square root of 2878793 is about 1696.7006217951. The cubic root of 2878793 is about 142.2558536143.

The spelling of 2878793 in words is "two million, eight hundred seventy-eight thousand, seven hundred ninety-three".