839434452 has 24 divisors (see below), whose sum is σ = 1965373536. Its totient is φ = 278855328.

The previous prime is 839434441. The next prime is 839434469. The reversal of 839434452 is 254434938.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115858 + ... + 122889.

It is an arithmetic number, because the mean of its divisors is an integer number (81890564).

Almost surely, 2^839434452 is an apocalyptic number.

It is an amenable number.

839434452 is an abundant number, since it is smaller than the sum of its proper divisors (1125939084).

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

839434452 is a wasteful number, since it uses less digits than its factorization.

839434452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239047 (or 239045 counting only the distinct ones).

The product of its digits is 414720, while the sum is 42.

The square root of 839434452 is about 28972.9952196869. The cubic root of 839434452 is about 943.3269959522.

The spelling of 839434452 in words is "eight hundred thirty-nine million, four hundred thirty-four thousand, four hundred fifty-two".