506820198 has 8 divisors (see below), whose sum is σ = 1013640408. Its totient is φ = 168940064.

The previous prime is 506820179. The next prime is 506820233. The reversal of 506820198 is 891028605.

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

506820198 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42235011 + ... + 42235022.

It is an arithmetic number, because the mean of its divisors is an integer number (126705051).

Almost surely, 2^506820198 is an apocalyptic number.

506820198 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

506820198 is a wasteful number, since it uses less digits than its factorization.

506820198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84470038.

The product of its (nonzero) digits is 34560, while the sum is 39.

The square root of 506820198 is about 22512.6675007650. The cubic root of 506820198 is about 797.2930372301.

The spelling of 506820198 in words is "five hundred six million, eight hundred twenty thousand, one hundred ninety-eight".