856536846 has 16 divisors (see below), whose sum is σ = 1868807808. Its totient is φ = 259556600.

The previous prime is 856536841. The next prime is 856536871. The reversal of 856536846 is 648635658.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (856536841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6488850 + ... + 6488981.

It is an arithmetic number, because the mean of its divisors is an integer number (116800488).

Almost surely, 2^856536846 is an apocalyptic number.

856536846 is an abundant number, since it is smaller than the sum of its proper divisors (1012270962).

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

856536846 is a wasteful number, since it uses less digits than its factorization.

856536846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12977847.

The product of its digits is 4147200, while the sum is 51.

The square root of 856536846 is about 29266.6507479076. The cubic root of 856536846 is about 949.6903315717.

The spelling of 856536846 in words is "eight hundred fifty-six million, five hundred thirty-six thousand, eight hundred forty-six".