2438784 has 96 divisors (see below), whose sum is σ = 7359300. Its totient is φ = 774144.

The previous prime is 2438773. The next prime is 2438791. The reversal of 2438784 is 4878342.

It can be written as a sum of positive squares in 2 ways, for example, as 2433600 + 5184 = 1560^2 + 72^2 .

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nialpdrome in base 12.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33372 + ... + 33444.

2^2438784 is an apocalyptic number.

2438784 is a gapful number since it is divisible by the number (24) 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 2438784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3679650).

2438784 is an abundant number, since it is smaller than the sum of its proper divisors (4920516).

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

2438784 is a wasteful number, since it uses less digits than its factorization.

2438784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122 (or 107 counting only the distinct ones).

The product of its digits is 43008, while the sum is 36.

The square root of 2438784 is about 1561.6606545598. The cubic root of 2438784 is about 134.6039420771.

The spelling of 2438784 in words is "two million, four hundred thirty-eight thousand, seven hundred eighty-four".