2549872 has 60 divisors (see below), whose sum is σ = 5718384. Its totient is φ = 1098240.

The previous prime is 2549867. The next prime is 2549873. The reversal of 2549872 is 2789452.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2549873) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62172 + ... + 62212.

2^2549872 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 2549872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2859192).

2549872 is an abundant number, since it is smaller than the sum of its proper divisors (3168512).

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

2549872 is a wasteful number, since it uses less digits than its factorization.

2549872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98 (or 79 counting only the distinct ones).

The product of its digits is 40320, while the sum is 37.

The square root of 2549872 is about 1596.8318634095. The cubic root of 2549872 is about 136.6174348417.

The spelling of 2549872 in words is "two million, five hundred forty-nine thousand, eight hundred seventy-two".