839438025 has 24 divisors (see below), whose sum is σ = 1396202304. Its totient is φ = 445012800.

The previous prime is 839438021. The next prime is 839438029. The reversal of 839438025 is 520834938.

839438025 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (839438021) and next prime (839438029).

It is not a de Polignac number, because 839438025 - 2² = 839438021 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (839438021) 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 in 23 ways as a sum of consecutive naturals, for example, 20986 + ... + 46035.

It is an arithmetic number, because the mean of its divisors is an integer number (58175096).

Almost surely, 2^839438025 is an apocalyptic number.

It is an amenable number.

839438025 is a deficient number, since it is larger than the sum of its proper divisors (556764279).

839438025 is a wasteful number, since it uses less digits than its factorization.

839438025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67201 (or 67196 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 42.

The square root of 839438025 is about 28973.0568804881. The cubic root of 839438025 is about 943.3283343543.

The spelling of 839438025 in words is "eight hundred thirty-nine million, four hundred thirty-eight thousand, twenty-five".