203830 has 32 divisors (see below), whose sum is σ = 427680. Its totient is φ = 69120.

The previous prime is 203821. The next prime is 203843. The reversal of 203830 is 38302.

It is a happy number.

203830 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 an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1816 + ... + 1924.

It is an arithmetic number, because the mean of its divisors is an integer number (13365).

2²⁰³⁸³⁰ is an apocalyptic number.

203830 is an abundant number, since it is smaller than the sum of its proper divisors (223850).

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

203830 is a wasteful number, since it uses less digits than its factorization.

203830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 203830 is about 451.4753592390. The cubic root of 203830 is about 58.8512964986.

It can be divided in two parts, 203 and 830, that multiplied together give a triangular number (168490 = T₅₈₀).

The spelling of 203830 in words is "two hundred three thousand, eight hundred thirty".