1200383828 has 48 divisors (see below), whose sum is σ = 2438822400. Its totient is φ = 506338560.

The previous prime is 1200383813. The next prime is 1200383857. The reversal of 1200383828 is 8283830021.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 930608 + ... + 931896.

It is an arithmetic number, because the mean of its divisors is an integer number (50808800).

Almost surely, 2^1200383828 is an apocalyptic number.

It is an amenable number.

1200383828 is an abundant number, since it is smaller than the sum of its proper divisors (1238438572).

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

1200383828 is a wasteful number, since it uses less digits than its factorization.

1200383828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1800 (or 1798 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 1200383828 is about 34646.5557884186. Note that the first 3 decimals coincide. The cubic root of 1200383828 is about 1062.7718565808.

The spelling of 1200383828 in words is "one billion, two hundred million, three hundred eighty-three thousand, eight hundred twenty-eight".