2144828 has 36 divisors (see below), whose sum is σ = 4519872. Its totient is φ = 887040.

The previous prime is 2144801. The next prime is 2144837. The reversal of 2144828 is 8284412.

It is a self number, because there is not a number n which added to its sum of digits gives 2144828.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5900 + ... + 6252.

It is an arithmetic number, because the mean of its divisors is an integer number (125552).

2^2144828 is an apocalyptic number.

2144828 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2144828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2259936).

2144828 is an abundant number, since it is smaller than the sum of its proper divisors (2375044).

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

2144828 is a wasteful number, since it uses less digits than its factorization.

2144828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402 (or 393 counting only the distinct ones).

The product of its digits is 4096, while the sum is 29.

The square root of 2144828 is about 1464.5231305787. The cubic root of 2144828 is about 128.9627118155.

The spelling of 2144828 in words is "two million, one hundred forty-four thousand, eight hundred twenty-eight".