860400530 has 16 divisors (see below), whose sum is σ = 1689513984. Its totient is φ = 312872880.

The previous prime is 860400529. The next prime is 860400551. The reversal of 860400530 is 35004068.

It is a self number, because there is not a number n which added to its sum of digits gives 860400530.

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, 3910802 + ... + 3911021.

It is an arithmetic number, because the mean of its divisors is an integer number (105594624).

Almost surely, 2^860400530 is an apocalyptic number.

860400530 is a deficient number, since it is larger than the sum of its proper divisors (829113454).

860400530 is a wasteful number, since it uses less digits than its factorization.

860400530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7821841.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 860400530 is about 29332.5847821156. The cubic root of 860400530 is about 951.1161507298.

Adding to 860400530 its reverse (35004068), we get a palindrome (895404598).

The spelling of 860400530 in words is "eight hundred sixty million, four hundred thousand, five hundred thirty".