560391 has 8 divisors (see below), whose sum is σ = 804720. Its totient is φ = 344832.

The previous prime is 560353. The next prime is 560393. The reversal of 560391 is 193065.

560391 = 7⁴ + 8⁴ + ... + 19⁴.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 560391 - 2¹⁰ = 559367 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (560393) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7146 + ... + 7223.

It is an arithmetic number, because the mean of its divisors is an integer number (100590).

2⁵⁶⁰³⁹¹ is an apocalyptic number.

560391 is a deficient number, since it is larger than the sum of its proper divisors (244329).

560391 is a wasteful number, since it uses less digits than its factorization.

560391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14385.

The product of its (nonzero) digits is 810, while the sum is 24.

The square root of 560391 is about 748.5926796329. The cubic root of 560391 is about 82.4448851350. Note that the first 3 decimals are identical.

The spelling of 560391 in words is "five hundred sixty thousand, three hundred ninety-one".