8143828 has 48 divisors (see below), whose sum is σ = 17990784. Its totient is φ = 3133440.

The previous prime is 8143823. The next prime is 8143841. The reversal of 8143828 is 8283418.

It is a junction number, because it is equal to n+sod(n) for n = 8143793 and 8143802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8143823) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42100 + ... + 42292.

It is an arithmetic number, because the mean of its divisors is an integer number (374808).

Almost surely, 2^8143828 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 8143828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8995392).

8143828 is an abundant number, since it is smaller than the sum of its proper divisors (9846956).

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

8143828 is a wasteful number, since it uses less digits than its factorization.

8143828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352 (or 350 counting only the distinct ones).

The product of its digits is 12288, while the sum is 34.

The square root of 8143828 is about 2853.7393013378. The cubic root of 8143828 is about 201.1914547500.

The spelling of 8143828 in words is "eight million, one hundred forty-three thousand, eight hundred twenty-eight".