2449856 has 28 divisors (see below), whose sum is σ = 4922520. Its totient is φ = 1209600.

The previous prime is 2449847. The next prime is 2449859. The reversal of 2449856 is 6589442.

It is an Ulam number.

It is a d-powerful number, because it can be written as 2 + 4⁶ + 4⁸ + 9 + 8⁷ + 5⁵ + 6⁷ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2449859) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6275 + ... + 6653.

2^2449856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2449856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2461260).

2449856 is an abundant number, since it is smaller than the sum of its proper divisors (2472664).

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

2449856 is a wasteful number, since it uses less digits than its factorization.

2449856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492 (or 482 counting only the distinct ones).

The product of its digits is 69120, while the sum is 38.

The square root of 2449856 is about 1565.2015844612. The cubic root of 2449856 is about 134.8073337620.

The spelling of 2449856 in words is "two million, four hundred forty-nine thousand, eight hundred fifty-six".