203900328 has 96 divisors (see below), whose sum is σ = 583783200. Its totient is φ = 66650688.

The previous prime is 203900327. The next prime is 203900341. The reversal of 203900328 is 823009302.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (203900327) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 102043 + ... + 104021.

It is an arithmetic number, because the mean of its divisors is an integer number (6081075).

Almost surely, 2^203900328 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 203900328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (291891600).

203900328 is an abundant number, since it is smaller than the sum of its proper divisors (379882872).

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

203900328 is a wasteful number, since it uses less digits than its factorization.

203900328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2053 (or 2037 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 203900328 is about 14279.3672128705. The cubic root of 203900328 is about 588.5806425940.

The spelling of 203900328 in words is "two hundred three million, nine hundred thousand, three hundred twenty-eight".