247360 has 28 divisors (see below), whose sum is σ = 589788. Its totient is φ = 98816.

The previous prime is 247343. The next prime is 247363. The reversal of 247360 is 63742.

It can be written as a sum of positive squares in 2 ways, for example, as 46656 + 200704 = 216^2 + 448^2 .

It is a super-2 number, since 2×247360² = 122373939200, which contains 22 as substring.

It is a nialpdrome in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (247363) by changing a digit.

247360 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67 + ... + 706.

2²⁴⁷³⁶⁰ is an apocalyptic number.

247360 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

247360 is an abundant number, since it is smaller than the sum of its proper divisors (342428).

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

247360 is an equidigital number, since it uses as much as digits as its factorization.

247360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 790 (or 780 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 247360 is about 497.3529933558. The cubic root of 247360 is about 62.7735212320.

The spelling of 247360 in words is "two hundred forty-seven thousand, three hundred sixty".