247448448 has 288 divisors, whose sum is σ = 815330880. Its totient is φ = 71884800.

The previous prime is 247448393. The next prime is 247448449. The reversal of 247448448 is 844844742.

It is a tau number, because it is divible by the number of its divisors (288).

It is a super-2 number, since 2×247448448² = 122461468835217408, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (247448449) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 6035308 + ... + 6035348.

It is an arithmetic number, because the mean of its divisors is an integer number (2831010).

Almost surely, 2^247448448 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 247448448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (407665440).

247448448 is an abundant number, since it is smaller than the sum of its proper divisors (567882432).

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

247448448 is a wasteful number, since it uses less digits than its factorization.

247448448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118 (or 90 counting only the distinct ones).

The product of its digits is 917504, while the sum is 45.

The square root of 247448448 is about 15730.4942071125. The cubic root of 247448448 is about 627.8100227280.

The spelling of 247448448 in words is "two hundred forty-seven million, four hundred forty-eight thousand, four hundred forty-eight".