2447648 has 48 divisors (see below), whose sum is σ = 5644800. Its totient is φ = 1044288.

The previous prime is 2447647. The next prime is 2447681. The reversal of 2447648 is 8467442.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2447647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10865 + ... + 11087.

It is an arithmetic number, because the mean of its divisors is an integer number (117600).

2^2447648 is an apocalyptic number.

2447648 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2447648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2822400).

2447648 is an abundant number, since it is smaller than the sum of its proper divisors (3197152).

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

2447648 is an equidigital number, since it uses as much as digits as its factorization.

2447648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254 (or 232 counting only the distinct ones).

The product of its digits is 43008, while the sum is 35.

The square root of 2447648 is about 1564.4960850063. The cubic root of 2447648 is about 134.7668219849.

The spelling of 2447648 in words is "two million, four hundred forty-seven thousand, six hundred forty-eight".