203904342 has 48 divisors (see below), whose sum is σ = 448561152. Its totient is φ = 66936240.

The previous prime is 203904331. The next prime is 203904343. The reversal of 203904342 is 243409302.

It is a happy number.

203904342 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203904343) 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, 436393 + ... + 436859.

It is an arithmetic number, because the mean of its divisors is an integer number (9345024).

Almost surely, 2^203904342 is an apocalyptic number.

203904342 is an abundant number, since it is smaller than the sum of its proper divisors (244656810).

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

203904342 is a wasteful number, since it uses less digits than its factorization.

203904342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 793 (or 790 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 203904342 is about 14279.5077646255. The cubic root of 203904342 is about 588.5845048522.

The spelling of 203904342 in words is "two hundred three million, nine hundred four thousand, three hundred forty-two".