2440847 has 4 divisors (see below), whose sum is σ = 2519616. Its totient is φ = 2362080.

The previous prime is 2440831. The next prime is 2440849. The reversal of 2440847 is 7480442.

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 2440847 - 2⁴ = 2440831 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2440849) 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, 39338 + ... + 39399.

It is an arithmetic number, because the mean of its divisors is an integer number (629904).

2^2440847 is an apocalyptic number.

2440847 is a deficient number, since it is larger than the sum of its proper divisors (78769).

2440847 is an equidigital number, since it uses as much as digits as its factorization.

2440847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78768.

The product of its (nonzero) digits is 7168, while the sum is 29.

The square root of 2440847 is about 1562.3210297503. The cubic root of 2440847 is about 134.6418858050.

The spelling of 2440847 in words is "two million, four hundred forty thousand, eight hundred forty-seven".