2878039 has 2 divisors, whose sum is σ = 2878040. Its totient is φ = 2878038.

The previous prime is 2878037. The next prime is 2878067. The reversal of 2878039 is 9308782.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2878039 - 2¹ = 2878037 is a prime.

Together with 2878037, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 2877989 and 2878007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2878037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1439019 + 1439020.

It is an arithmetic number, because the mean of its divisors is an integer number (1439020).

2^2878039 is an apocalyptic number.

2878039 is a deficient number, since it is larger than the sum of its proper divisors (1).

2878039 is an equidigital number, since it uses as much as digits as its factorization.

2878039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 2878039 is about 1696.4784112979. The cubic root of 2878039 is about 142.2434328672.

The spelling of 2878039 in words is "two million, eight hundred seventy-eight thousand, thirty-nine".