247296 has 80 divisors (see below), whose sum is σ = 785664. Its totient is φ = 67584.

The previous prime is 247279. The next prime is 247301. The reversal of 247296 is 692742.

It is a happy number.

It is a super-2 number, since 2×247296² = 122310623232, which contains 22 as substring.

It is a nialpdrome in base 8.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

247296 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10741 + ... + 10763.

247296 is a Friedman number, since it can be written as 672*92*4, using all its digits and the basic arithmetic operations.

2²⁴⁷²⁹⁶ 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 247296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (392832).

247296 is an abundant number, since it is smaller than the sum of its proper divisors (538368).

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

247296 is an equidigital number, since it uses as much as digits as its factorization.

247296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51 (or 35 counting only the distinct ones).

The product of its digits is 6048, while the sum is 30.

The square root of 247296 is about 497.2886485734. The cubic root of 247296 is about 62.7681069210.

The spelling of 247296 in words is "two hundred forty-seven thousand, two hundred ninety-six".