894391056 has 240 divisors, whose sum is σ = 2835985152. Its totient is φ = 261273600.

The previous prime is 894391039. The next prime is 894391067. The reversal of 894391056 is 650193498.

It is a happy number.

It is a super-2 number, since 2×894391056² = 1599870722105590272, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3300201 + ... + 3300471.

Almost surely, 2^894391056 is an apocalyptic number.

894391056 is a gapful number since it is divisible by the number (86) 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 894391056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1417992576).

894391056 is an abundant number, since it is smaller than the sum of its proper divisors (1941594096).

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

894391056 is a wasteful number, since it uses less digits than its factorization.

894391056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382 (or 373 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The square root of 894391056 is about 29906.3714950510. The cubic root of 894391056 is about 963.4795087414.

It can be divided in two parts, 8943 and 91056, that added together give a palindrome (99999).

The spelling of 894391056 in words is "eight hundred ninety-four million, three hundred ninety-one thousand, fifty-six".