868530393 has 24 divisors (see below), whose sum is σ = 1319123520. Its totient is φ = 549600480.

The previous prime is 868530373. The next prime is 868530409. The reversal of 868530393 is 393035868.

868530393 is a `hidden beast` number, since 86 + 8 + 530 + 39 + 3 = 666.

It is not a de Polignac number, because 868530393 - 2¹⁰ = 868529369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (868530353) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11103 + ... + 43131.

It is an arithmetic number, because the mean of its divisors is an integer number (54963480).

Almost surely, 2^868530393 is an apocalyptic number.

It is an amenable number.

868530393 is a deficient number, since it is larger than the sum of its proper divisors (450593127).

868530393 is a wasteful number, since it uses less digits than its factorization.

868530393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32189 (or 32186 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The square root of 868530393 is about 29470.8397063945. The cubic root of 868530393 is about 954.1024407749.

The spelling of 868530393 in words is "eight hundred sixty-eight million, five hundred thirty thousand, three hundred ninety-three".