2447838 has 24 divisors (see below), whose sum is σ = 5335200. Its totient is φ = 811104.

The previous prime is 2447833. The next prime is 2447843. The reversal of 2447838 is 8387442.

It is an interprime number because it is at equal distance from previous prime (2447833) and next prime (2447843).

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2447831) 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 11 ways as a sum of consecutive naturals, for example, 4018 + ... + 4586.

It is an arithmetic number, because the mean of its divisors is an integer number (222300).

2^2447838 is an apocalyptic number.

2447838 is an abundant number, since it is smaller than the sum of its proper divisors (2887362).

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

2447838 is a wasteful number, since it uses less digits than its factorization.

2447838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 816 (or 813 counting only the distinct ones).

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

The square root of 2447838 is about 1564.5568062554. The cubic root of 2447838 is about 134.7703090105.

The spelling of 2447838 in words is "two million, four hundred forty-seven thousand, eight hundred thirty-eight".