860894281 has 27 divisors (see below), whose sum is σ = 974050623. Its totient is φ = 760518720.

The previous prime is 860894269. The next prime is 860894299. The reversal of 860894281 is 182498068.

The square root of 860894281 is 29341.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 13 ways, for example, as 809914681 + 50979600 = 28459^2 + 7140^2 .

It is not a de Polignac number, because 860894281 - 2⁵ = 860894249 is a prime.

It is a super-3 number, since 3×860894281³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (860891281) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 14112991 + ... + 14113051.

It is an arithmetic number, because the mean of its divisors is an integer number (36075949).

Almost surely, 2^860894281 is an apocalyptic number.

860894281 is the 29341-st square number.

860894281 is the 14671-st centered octagonal number.

It is an amenable number.

860894281 is a deficient number, since it is larger than the sum of its proper divisors (113156342).

860894281 is an equidigital number, since it uses as much as digits as its factorization.

860894281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222 (or 111 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 46.

The cubic root of 860894281 is about 951.2980523487.

The spelling of 860894281 in words is "eight hundred sixty million, eight hundred ninety-four thousand, two hundred eighty-one".