2878973 has 2 divisors, whose sum is σ = 2878974. Its totient is φ = 2878972.

The previous prime is 2878961. The next prime is 2878999. The reversal of 2878973 is 3798782.

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., 1708249 + 1170724 = 1307^2 + 1082^2 .

It is a cyclic number.

It is not a de Polignac number, because 2878973 - 2⁴ = 2878957 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2878903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1439486 + 1439487.

It is an arithmetic number, because the mean of its divisors is an integer number (1439487).

2^2878973 is an apocalyptic number.

It is an amenable number.

2878973 is a deficient number, since it is larger than the sum of its proper divisors (1).

2878973 is an equidigital number, since it uses as much as digits as its factorization.

2878973 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 2878973 is about 1696.7536650911. The cubic root of 2878973 is about 142.2588184587.

The spelling of 2878973 in words is "two million, eight hundred seventy-eight thousand, nine hundred seventy-three".