856049532 has 24 divisors (see below), whose sum is σ = 2151099216. Its totient is φ = 263399808.

The previous prime is 856049527. The next prime is 856049549. The reversal of 856049532 is 235940658.

856049532 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 2743593 + ... + 2743904.

It is an arithmetic number, because the mean of its divisors is an integer number (89629134).

Almost surely, 2^856049532 is an apocalyptic number.

It is an amenable number.

856049532 is an abundant number, since it is smaller than the sum of its proper divisors (1295049684).

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

856049532 is a wasteful number, since it uses less digits than its factorization.

856049532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5487517 (or 5487515 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 42.

The square root of 856049532 is about 29258.3241488640. The cubic root of 856049532 is about 949.5101933046.

The spelling of 856049532 in words is "eight hundred fifty-six million, forty-nine thousand, five hundred thirty-two".