839948472 has 96 divisors (see below), whose sum is σ = 2561794560. Its totient is φ = 246312000.

The previous prime is 839948449. The next prime is 839948497. The reversal of 839948472 is 274849938.

839948472 is a `hidden beast` number, since 8 + 3 + 99 + 484 + 72 = 666.

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 23 ways as a sum of consecutive naturals, for example, 7447 + ... + 41657.

It is an arithmetic number, because the mean of its divisors is an integer number (26685360).

Almost surely, 2^839948472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 839948472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1280897280).

839948472 is an abundant number, since it is smaller than the sum of its proper divisors (1721846088).

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

839948472 is a wasteful number, since it uses less digits than its factorization.

839948472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34265 (or 34258 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 54.

The square root of 839948472 is about 28981.8645362923. The cubic root of 839948472 is about 943.5195025469.

The spelling of 839948472 in words is "eight hundred thirty-nine million, nine hundred forty-eight thousand, four hundred seventy-two".