2573844 has 48 divisors (see below), whose sum is σ = 7394688. Its totient is φ = 678528.

The previous prime is 2573833. The next prime is 2573869. The reversal of 2573844 is 4483752.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87 + ... + 2270.

It is an arithmetic number, because the mean of its divisors is an integer number (154056).

2^2573844 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 2573844, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3697344).

2573844 is an abundant number, since it is smaller than the sum of its proper divisors (4820844).

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

2573844 is a wasteful number, since it uses less digits than its factorization.

2573844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2384 (or 2382 counting only the distinct ones).

The product of its digits is 26880, while the sum is 33.

The square root of 2573844 is about 1604.3204168744. The cubic root of 2573844 is about 137.0442253369.

The spelling of 2573844 in words is "two million, five hundred seventy-three thousand, eight hundred forty-four".