2331828 has 36 divisors (see below), whose sum is σ = 6115200. Its totient is φ = 776952.

The previous prime is 2331781. The next prime is 2331829. The reversal of 2331828 is 8281332.

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 (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2331829) 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, 228 + ... + 2171.

2^2331828 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 2331828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3057600).

2331828 is an abundant number, since it is smaller than the sum of its proper divisors (3783372).

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

2331828 is a wasteful number, since it uses less digits than its factorization.

2331828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2418 (or 2404 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 2331828 is about 1527.0324161589. The cubic root of 2331828 is about 132.6067112346.

The spelling of 2331828 in words is "two million, three hundred thirty-one thousand, eight hundred twenty-eight".