493569 has 12 divisors (see below), whose sum is σ = 719316. Its totient is φ = 326112.

The previous prime is 493567. The next prime is 493573. The reversal of 493569 is 965394.

493569 is a `hidden beast` number, since 4 + 93 + 569 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 230400 + 263169 = 480^2 + 513^2 .

It is not a de Polignac number, because 493569 - 2¹ = 493567 is a prime.

It is a super-2 number, since 2×493569² = 487220715522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (493567) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1399 + ... + 1715.

It is an arithmetic number, because the mean of its divisors is an integer number (59943).

It is a Proth number, since it is equal to 241 ⋅ 2¹¹ + 1 and 241 < 2¹¹.

2⁴⁹³⁵⁶⁹ is an apocalyptic number.

It is an amenable number.

493569 is a deficient number, since it is larger than the sum of its proper divisors (225747).

493569 is a wasteful number, since it uses less digits than its factorization.

493569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496 (or 493 counting only the distinct ones).

The product of its digits is 29160, while the sum is 36.

The square root of 493569 is about 702.5446605021. The cubic root of 493569 is about 79.0282972922.

Adding to 493569 its product of digits (29160), we get a square (522729 = 723²).

The spelling of 493569 in words is "four hundred ninety-three thousand, five hundred sixty-nine".