2449855 has 16 divisors (see below), whose sum is σ = 3055104. Its totient is φ = 1884960.

The previous prime is 2449847. The next prime is 2449859. The reversal of 2449855 is 5589442.

It is not a de Polignac number, because 2449855 - 2³ = 2449847 is a prime.

It is a d-powerful number, because it can be written as 2²¹ + 4 + 4⁴ + 9⁵ + 8⁶ + 5⁶ + 5⁶ .

It is a Duffinian number.

2449855 is a lucky number.

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

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23734 + ... + 23836.

It is an arithmetic number, because the mean of its divisors is an integer number (190944).

2^2449855 is an apocalyptic number.

2449855 is a deficient number, since it is larger than the sum of its proper divisors (605249).

2449855 is a wasteful number, since it uses less digits than its factorization.

2449855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246.

The product of its digits is 57600, while the sum is 37.

The square root of 2449855 is about 1565.2012650135. The cubic root of 2449855 is about 134.8073154198.

The spelling of 2449855 in words is "two million, four hundred forty-nine thousand, eight hundred fifty-five".