843828120 has 48 divisors (see below), whose sum is σ = 2742442560. Its totient is φ = 225020736.

The previous prime is 843828079. The next prime is 843828127. The reversal of 843828120 is 21828348.

It is a happy number.

843828120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×843828120² = 1424091792205468800, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (843828127) 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, 1171624 + ... + 1172343.

It is an arithmetic number, because the mean of its divisors is an integer number (57134220).

Almost surely, 2^843828120 is an apocalyptic number.

It is an amenable number.

843828120 is an abundant number, since it is smaller than the sum of its proper divisors (1898614440).

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

843828120 is a wasteful number, since it uses less digits than its factorization.

843828120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2343984 (or 2343977 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 36.

The square root of 843828120 is about 29048.7197652496. The cubic root of 843828120 is about 944.9699494937.

The spelling of 843828120 in words is "eight hundred forty-three million, eight hundred twenty-eight thousand, one hundred twenty".