203428324 has 72 divisors (see below), whose sum is σ = 426402144. Its totient is φ = 83923200.

The previous prime is 203428289. The next prime is 203428349. The reversal of 203428324 is 423824302.

It is a junction number, because it is equal to n+sod(n) for n = 203428292 and 203428301.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 718687 + ... + 718969.

It is an arithmetic number, because the mean of its divisors is an integer number (5922252).

Almost surely, 2^203428324 is an apocalyptic number.

It is an amenable number.

203428324 is an abundant number, since it is smaller than the sum of its proper divisors (222973820).

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

203428324 is a wasteful number, since it uses less digits than its factorization.

203428324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377 (or 344 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

The square root of 203428324 is about 14262.8301539351. The cubic root of 203428324 is about 588.1261279404.

The spelling of 203428324 in words is "two hundred three million, four hundred twenty-eight thousand, three hundred twenty-four".