247112944 has 80 divisors (see below), whose sum is σ = 541840320. Its totient is φ = 108380160.

The previous prime is 247112939. The next prime is 247112947. The reversal of 247112944 is 449211742.

It is a happy number.

It is a super-2 number, since 2×247112944² = 122129614184694272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (247112947) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 427984 + ... + 428560.

It is an arithmetic number, because the mean of its divisors is an integer number (6773004).

Almost surely, 2^247112944 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 247112944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (270920160).

247112944 is an abundant number, since it is smaller than the sum of its proper divisors (294727376).

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

247112944 is a wasteful number, since it uses less digits than its factorization.

247112944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 698 (or 692 counting only the distinct ones).

The product of its digits is 16128, while the sum is 34.

The square root of 247112944 is about 15719.8264621465. The cubic root of 247112944 is about 627.5261547910.

The spelling of 247112944 in words is "two hundred forty-seven million, one hundred twelve thousand, nine hundred forty-four".