565838272 has 56 divisors (see below), whose sum is σ = 1176832800. Its totient is φ = 269423616.

The previous prime is 565838269. The next prime is 565838279. The reversal of 565838272 is 272838565.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (565838279) 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, 395254 + ... + 396682.

Almost surely, 2^565838272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 565838272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (588416400).

565838272 is an abundant number, since it is smaller than the sum of its proper divisors (610994528).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

565838272 is a wasteful number, since it uses less digits than its factorization.

565838272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1733 (or 1723 counting only the distinct ones).

The product of its digits is 806400, while the sum is 46.

The square root of 565838272 is about 23787.3552964595. The cubic root of 565838272 is about 827.1115896068. Note that the first 3 decimals are identical.

The spelling of 565838272 in words is "five hundred sixty-five million, eight hundred thirty-eight thousand, two hundred seventy-two".