2439828 has 96 divisors (see below), whose sum is σ = 7056000. Its totient is φ = 725760.

The previous prime is 2439803. The next prime is 2439839. The reversal of 2439828 is 8289342.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a d-powerful number, because it can be written as 2¹⁸ + 4⁸ + 3⁵ + 9⁴ + 8⁴ + 2²¹ + 8⁴ .

It is a junction number, because it is equal to n+sod(n) for n = 2439792 and 2439801.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 59488 + ... + 59528.

It is an arithmetic number, because the mean of its divisors is an integer number (73500).

2^2439828 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 2439828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3528000).

2439828 is an abundant number, since it is smaller than the sum of its proper divisors (4616172).

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

2439828 is a wasteful number, since it uses less digits than its factorization.

2439828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102 (or 94 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 2439828 is about 1561.9948783527. The cubic root of 2439828 is about 134.6231465205.

The spelling of 2439828 in words is "two million, four hundred thirty-nine thousand, eight hundred twenty-eight".