203812872 has 32 divisors (see below), whose sum is σ = 523305600. Its totient is φ = 66101184.

The previous prime is 203812871. The next prime is 203812883. The reversal of 203812872 is 278218302.

It is not an unprimeable number, because it can be changed into a prime (203812871) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113872 + ... + 115647.

It is an arithmetic number, because the mean of its divisors is an integer number (16353300).

Almost surely, 2^203812872 is an apocalyptic number.

It is an amenable number.

203812872 is an abundant number, since it is smaller than the sum of its proper divisors (319492728).

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

203812872 is a wasteful number, since it uses less digits than its factorization.

203812872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229565 (or 229561 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 203812872 is about 14276.3045638569. The cubic root of 203812872 is about 588.4964801171.

The spelling of 203812872 in words is "two hundred three million, eight hundred twelve thousand, eight hundred seventy-two".