247338 has 48 divisors (see below), whose sum is σ = 663936. Its totient is φ = 64800.

The previous prime is 247337. The next prime is 247339. The reversal of 247338 is 833742.

247338 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (247337) and next prime (247339).

It is a super-2 number, since 2×247338² = 122352172488, which contains 22 as substring.

It is a Curzon number.

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (247337) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1563 + ... + 1713.

It is an arithmetic number, because the mean of its divisors is an integer number (13832).

2²⁴⁷³³⁸ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 247338, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (331968).

247338 is an abundant number, since it is smaller than the sum of its proper divisors (416598).

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

247338 is a wasteful number, since it uses less digits than its factorization.

247338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179 (or 176 counting only the distinct ones).

The product of its digits is 4032, while the sum is 27.

The square root of 247338 is about 497.3308757759. The cubic root of 247338 is about 62.7716601679.

It can be divided in two parts, 247 and 338, that added together give a palindrome (585).

The spelling of 247338 in words is "two hundred forty-seven thousand, three hundred thirty-eight".