2447982 has 56 divisors (see below), whose sum is σ = 5823504. Its totient is φ = 769824.

The previous prime is 2447981. The next prime is 2448007. The reversal of 2447982 is 2897442.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2447981) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 33498 + ... + 33570.

2^2447982 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2447982, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2911752).

2447982 is an abundant number, since it is smaller than the sum of its proper divisors (3375522).

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

2447982 is an equidigital number, since it uses as much as digits as its factorization.

2447982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116 (or 101 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 2447982 is about 1564.6028250006. The cubic root of 2447982 is about 134.7729516886.

The spelling of 2447982 in words is "two million, four hundred forty-seven thousand, nine hundred eighty-two".