203389472 has 96 divisors (see below), whose sum is σ = 475009920. Its totient is φ = 85013760.

The previous prime is 203389463. The next prime is 203389477. The reversal of 203389472 is 274983302.

It is a happy number.

203389472 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (203389477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 773213 + ... + 773475.

It is an arithmetic number, because the mean of its divisors is an integer number (4948020).

Almost surely, 2^203389472 is an apocalyptic number.

203389472 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 203389472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (237504960).

203389472 is an abundant number, since it is smaller than the sum of its proper divisors (271620448).

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

203389472 is a wasteful number, since it uses less digits than its factorization.

203389472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323 (or 289 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 203389472 is about 14261.4680871220. The cubic root of 203389472 is about 588.0886842342.

The spelling of 203389472 in words is "two hundred three million, three hundred eighty-nine thousand, four hundred seventy-two".