203812828 has 12 divisors (see below), whose sum is σ = 356856192. Its totient is φ = 101853920.

The previous prime is 203812799. The next prime is 203812837. The reversal of 203812828 is 828218302.

It is a junction number, because it is equal to n+sod(n) for n = 203812793 and 203812802.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3625 + ... + 20512.

It is an arithmetic number, because the mean of its divisors is an integer number (29738016).

Almost surely, 2^203812828 is an apocalyptic number.

It is an amenable number.

203812828 is a deficient number, since it is larger than the sum of its proper divisors (153043364).

203812828 is a wasteful number, since it uses less digits than its factorization.

203812828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26252 (or 26250 counting only the distinct ones).

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

The square root of 203812828 is about 14276.3030228417. The cubic root of 203812828 is about 588.4964377681.

The spelling of 203812828 in words is "two hundred three million, eight hundred twelve thousand, eight hundred twenty-eight".