839429952 has 56 divisors (see below), whose sum is σ = 2281037856. Its totient is φ = 272245248.

The previous prime is 839429923. The next prime is 839429963. The reversal of 839429952 is 259924938.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 839429895 and 839429904.

It is a congruent number.

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, 51978 + ... + 66185.

Almost surely, 2^839429952 is an apocalyptic number.

It is an amenable number.

839429952 is an abundant number, since it is smaller than the sum of its proper divisors (1441607904).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

839429952 is a wasteful number, since it uses less digits than its factorization.

839429952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118215 (or 118205 counting only the distinct ones).

The product of its digits is 1399680, while the sum is 51.

The square root of 839429952 is about 28972.9175610604. The cubic root of 839429952 is about 943.3253103018.

The spelling of 839429952 in words is "eight hundred thirty-nine million, four hundred twenty-nine thousand, nine hundred fifty-two".