860384227 has 4 divisors (see below), whose sum is σ = 860446720. Its totient is φ = 860321736.

The previous prime is 860384183. The next prime is 860384257. The reversal of 860384227 is 722483068.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-860384227 is a prime.

It is a super-2 number, since 2×860384227² = 1480522036140775058, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 860384227.

It is not an unprimeable number, because it can be changed into a prime (860384257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 528 + ... + 41485.

It is an arithmetic number, because the mean of its divisors is an integer number (215111680).

Almost surely, 2^860384227 is an apocalyptic number.

860384227 is a deficient number, since it is larger than the sum of its proper divisors (62493).

860384227 is a wasteful number, since it uses less digits than its factorization.

860384227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62492.

The product of its (nonzero) digits is 129024, while the sum is 40.

The square root of 860384227 is about 29332.3068816621. The cubic root of 860384227 is about 951.1101433941.

The spelling of 860384227 in words is "eight hundred sixty million, three hundred eighty-four thousand, two hundred twenty-seven".