203871228 has 24 divisors (see below), whose sum is σ = 518945280. Its totient is φ = 61779120.

The previous prime is 203871223. The next prime is 203871233. The reversal of 203871228 is 822178302.

It is an interprime number because it is at equal distance from previous prime (203871223) and next prime (203871233).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203871223) 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, 772108 + ... + 772371.

It is an arithmetic number, because the mean of its divisors is an integer number (21622720).

Almost surely, 2^203871228 is an apocalyptic number.

It is an amenable number.

203871228 is an abundant number, since it is smaller than the sum of its proper divisors (315074052).

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

203871228 is a wasteful number, since it uses less digits than its factorization.

203871228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1544497 (or 1544495 counting only the distinct ones).

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

The square root of 203871228 is about 14278.3482237968. The cubic root of 203871228 is about 588.5526411488.

The spelling of 203871228 in words is "two hundred three million, eight hundred seventy-one thousand, two hundred twenty-eight".