520198 has 16 divisors (see below), whose sum is σ = 905760. Its totient is φ = 219456.

The previous prime is 520193. The next prime is 520213. The reversal of 520198 is 891025.

520198 = T₂₁₂ + T₂₁₃ + ... + T₂₃₂.

520198 is a modest number, since divided by 198 gives 52 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520193) by changing a digit.

520198 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 7 ways as a sum of consecutive naturals, for example, 768 + ... + 1276.

It is an arithmetic number, because the mean of its divisors is an integer number (56610).

2⁵²⁰¹⁹⁸ is an apocalyptic number.

520198 is a deficient number, since it is larger than the sum of its proper divisors (385562).

520198 is a wasteful number, since it uses less digits than its factorization.

520198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 591.

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 520198 is about 721.2475303251. The cubic root of 520198 is about 80.4247203343.

The spelling of 520198 in words is "five hundred twenty thousand, one hundred ninety-eight".