856750446 has 48 divisors (see below), whose sum is σ = 1957737600. Its totient is φ = 280733688.

The previous prime is 856750423. The next prime is 856750457. The reversal of 856750446 is 644057658.

856750446 is a `hidden beast` number, since 85 + 67 + 504 + 4 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13735 + ... + 43613.

It is an arithmetic number, because the mean of its divisors is an integer number (40786200).

Almost surely, 2^856750446 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 856750446, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (978868800).

856750446 is an abundant number, since it is smaller than the sum of its proper divisors (1100987154).

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

856750446 is a wasteful number, since it uses less digits than its factorization.

856750446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29955 (or 29943 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 45.

The square root of 856750446 is about 29270.2997251480. The cubic root of 856750446 is about 949.7692684346.

The spelling of 856750446 in words is "eight hundred fifty-six million, seven hundred fifty thousand, four hundred forty-six".