854894720 has 64 divisors (see below), whose sum is σ = 2061993240. Its totient is φ = 338903040.

The previous prime is 854894713. The next prime is 854894737. The reversal of 854894720 is 27498458.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 255232576 + 599662144 = 15976^2 + 24488^2 .

It is a tau number, because it is divible by the number of its divisors (64).

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, 66410 + ... + 78230.

Almost surely, 2^854894720 is an apocalyptic number.

854894720 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 854894720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1030996620).

854894720 is an abundant number, since it is smaller than the sum of its proper divisors (1207098520).

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

854894720 is a wasteful number, since it uses less digits than its factorization.

854894720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11953 (or 11941 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 47.

The square root of 854894720 is about 29238.5827289901. The cubic root of 854894720 is about 949.0830376488.

It can be divided in two parts, 85489 and 4720, that added together give a palindrome (90209).

The spelling of 854894720 in words is "eight hundred fifty-four million, eight hundred ninety-four thousand, seven hundred twenty".