2449557 has 24 divisors (see below), whose sum is σ = 3912480. Its totient is φ = 1464480.

The previous prime is 2449549. The next prime is 2449561. The reversal of 2449557 is 7559442.

It is not a de Polignac number, because 2449557 - 2³ = 2449549 is a prime.

Its product of digits (50400) is a multiple of the sum of its prime divisors (350).

2449557 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2449567) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10678 + ... + 10904.

It is an arithmetic number, because the mean of its divisors is an integer number (163020).

2^2449557 is an apocalyptic number.

It is an amenable number.

2449557 is a deficient number, since it is larger than the sum of its proper divisors (1462923).

2449557 is a wasteful number, since it uses less digits than its factorization.

2449557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353 (or 350 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The square root of 2449557 is about 1565.1060666932. The cubic root of 2449557 is about 134.8018492175.

It can be divided in two parts, 244 and 9557, that added together give a square (9801 = 99²).

The spelling of 2449557 in words is "two million, four hundred forty-nine thousand, five hundred fifty-seven".