839400034 has 16 divisors (see below), whose sum is σ = 1375337376. Its totient is φ = 381052800.

The previous prime is 839400013. The next prime is 839400049. The reversal of 839400034 is 430004938.

It is a junction number, because it is equal to n+sod(n) for n = 839399969 and 839400005.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 6927 + ... + 41554.

It is an arithmetic number, because the mean of its divisors is an integer number (85958586).

Almost surely, 2^839400034 is an apocalyptic number.

839400034 is a deficient number, since it is larger than the sum of its proper divisors (535937342).

839400034 is a wasteful number, since it uses less digits than its factorization.

839400034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49281.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 839400034 is about 28972.4012467037. The cubic root of 839400034 is about 943.3141031955.

The spelling of 839400034 in words is "eight hundred thirty-nine million, four hundred thousand, thirty-four".