2457828 has 36 divisors (see below), whose sum is σ = 6311760. Its totient is φ = 806256.

The previous prime is 2457823. The next prime is 2457839. The reversal of 2457828 is 8287542.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a junction number, because it is equal to n+sod(n) for n = 2457792 and 2457801.

It is not an unprimeable number, because it can be changed into a prime (2457823) 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, 1903 + ... + 2921.

2^2457828 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 2457828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3155880).

2457828 is an abundant number, since it is smaller than the sum of its proper divisors (3853932).

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

2457828 is a wasteful number, since it uses less digits than its factorization.

2457828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1096 (or 1091 counting only the distinct ones).

The product of its digits is 35840, while the sum is 36.

The square root of 2457828 is about 1567.7461529214. The cubic root of 2457828 is about 134.9533995538.

The spelling of 2457828 in words is "two million, four hundred fifty-seven thousand, eight hundred twenty-eight".