2438816 has 12 divisors (see below), whose sum is σ = 4801482. Its totient is φ = 1219392.

The previous prime is 2438791. The next prime is 2438819. The reversal of 2438816 is 6188342.

It can be written as a sum of positive squares in only one way, i.e., 1948816 + 490000 = 1396^2 + 700^2 .

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 76213 = 2438816 / (2 + 4 + 3 + 8 + 8 + 1 + 6).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2438819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38075 + ... + 38138.

2^2438816 is an apocalyptic number.

It is an amenable number.

2438816 is a deficient number, since it is larger than the sum of its proper divisors (2362666).

2438816 is an equidigital number, since it uses as much as digits as its factorization.

2438816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76223 (or 76215 counting only the distinct ones).

The product of its digits is 9216, while the sum is 32.

The square root of 2438816 is about 1561.6709000298. The cubic root of 2438816 is about 134.6045308005.

The spelling of 2438816 in words is "two million, four hundred thirty-eight thousand, eight hundred sixteen".