2528344 has 64 divisors (see below), whose sum is σ = 6128640. Its totient is φ = 950400.

The previous prime is 2528299. The next prime is 2528353. The reversal of 2528344 is 4438252.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an Ulam number.

It is a d-powerful number, because it can be written as 2¹⁷ + 5³ + 2¹⁹ + 8 + 3¹³ + 4⁷ + 4⁹ .

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, 16669 + ... + 16819.

It is an arithmetic number, because the mean of its divisors is an integer number (95760).

2^2528344 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 2528344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3064320).

2528344 is an abundant number, since it is smaller than the sum of its proper divisors (3600296).

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

2528344 is a wasteful number, since it uses less digits than its factorization.

2528344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200 (or 196 counting only the distinct ones).

The product of its digits is 7680, while the sum is 28.

The square root of 2528344 is about 1590.0767277084. The cubic root of 2528344 is about 136.2318708870.

The spelling of 2528344 in words is "two million, five hundred twenty-eight thousand, three hundred forty-four".