2918873 has 2 divisors, whose sum is σ = 2918874. Its totient is φ = 2918872.

The previous prime is 2918857. The next prime is 2918887. The reversal of 2918873 is 3788192.

2918873 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., 2274064 + 644809 = 1508^2 + 803^2 .

It is a cyclic number.

It is not a de Polignac number, because 2918873 - 2⁴ = 2918857 is a prime.

It is not a weakly prime, because it can be changed into another prime (2918803) 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, 1459436 + 1459437.

It is an arithmetic number, because the mean of its divisors is an integer number (1459437).

2^2918873 is an apocalyptic number.

It is an amenable number.

2918873 is a deficient number, since it is larger than the sum of its proper divisors (1).

2918873 is an equidigital number, since it uses as much as digits as its factorization.

2918873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 38.

The square root of 2918873 is about 1708.4709538064. The cubic root of 2918873 is about 142.9129990625.

The spelling of 2918873 in words is "two million, nine hundred eighteen thousand, eight hundred seventy-three".