205498 has 8 divisors (see below), whose sum is σ = 316692. Its totient is φ = 99936.

The previous prime is 205493. The next prime is 205507. The reversal of 205498 is 894502.

It is a happy number.

205498 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 205209 + 289 = 453^2 + 17^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (205493) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1315 + ... + 1462.

2²⁰⁵⁴⁹⁸ is an apocalyptic number.

205498 is a deficient number, since it is larger than the sum of its proper divisors (111194).

205498 is a wasteful number, since it uses less digits than its factorization.

205498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2816.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 205498 is about 453.3188723184. The cubic root of 205498 is about 59.0113929928.

It can be divided in two parts, 205 and 498, that added together give a triangular number (703 = T₃₇).

The spelling of 205498 in words is "two hundred five thousand, four hundred ninety-eight".