2388839 has 2 divisors, whose sum is σ = 2388840. Its totient is φ = 2388838.

The previous prime is 2388833. The next prime is 2388863. The reversal of 2388839 is 9388832.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2388839 - 2⁸ = 2388583 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 2388796 and 2388805.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2388833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1194419 + 1194420.

It is an arithmetic number, because the mean of its divisors is an integer number (1194420).

2^2388839 is an apocalyptic number.

2388839 is a deficient number, since it is larger than the sum of its proper divisors (1).

2388839 is an equidigital number, since it uses as much as digits as its factorization.

2388839 is an evil number, because the sum of its binary digits is even.

The product of its digits is 82944, while the sum is 41.

The square root of 2388839 is about 1545.5869435266. The cubic root of 2388839 is about 133.6787246526.

The spelling of 2388839 in words is "two million, three hundred eighty-eight thousand, eight hundred thirty-nine".