203480 has 16 divisors (see below), whose sum is σ = 457920. Its totient is φ = 81376.

The previous prime is 203461. The next prime is 203531. The reversal of 203480 is 84302.

203480 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×203480² = 82808220800, which contains 22 as substring.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 203480.

It is an unprimeable number.

203480 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2504 + ... + 2583.

It is an arithmetic number, because the mean of its divisors is an integer number (28620).

2²⁰³⁴⁸⁰ is an apocalyptic number.

203480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203480 is an abundant number, since it is smaller than the sum of its proper divisors (254440).

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

203480 is a wasteful number, since it uses less digits than its factorization.

203480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5098 (or 5094 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 203480 is about 451.0875746460. The cubic root of 203480 is about 58.8175923420.

Adding to 203480 its reverse (84302), we get a palindrome (287782).

The spelling of 203480 in words is "two hundred three thousand, four hundred eighty".