203040398 has 16 divisors (see below), whose sum is σ = 335477376. Its totient is φ = 91394040.

The previous prime is 203040379. The next prime is 203040413. The reversal of 203040398 is 893040302.

It is a self number, because there is not a number n which added to its sum of digits gives 203040398.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42536 + ... + 47067.

It is an arithmetic number, because the mean of its divisors is an integer number (20967336).

Almost surely, 2^203040398 is an apocalyptic number.

203040398 is a deficient number, since it is larger than the sum of its proper divisors (132436978).

203040398 is a wasteful number, since it uses less digits than its factorization.

203040398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89719.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 203040398 is about 14249.2244701247. The cubic root of 203040398 is about 587.7520492670.

The spelling of 203040398 in words is "two hundred three million, forty thousand, three hundred ninety-eight".