2440147 has 4 divisors (see below), whose sum is σ = 2524320. Its totient is φ = 2355976.

The previous prime is 2440127. The next prime is 2440153. The reversal of 2440147 is 7410442.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2440147 - 2⁷ = 2440019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2440127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42043 + ... + 42100.

It is an arithmetic number, because the mean of its divisors is an integer number (631080).

2^2440147 is an apocalyptic number.

2440147 is a deficient number, since it is larger than the sum of its proper divisors (84173).

2440147 is an equidigital number, since it uses as much as digits as its factorization.

2440147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84172.

The product of its (nonzero) digits is 896, while the sum is 22.

The square root of 2440147 is about 1562.0969880260. The cubic root of 2440147 is about 134.6290134522.

Adding to 2440147 its reverse (7410442), we get a palindrome (9850589).

The spelling of 2440147 in words is "two million, four hundred forty thousand, one hundred forty-seven".