523198 has 8 divisors (see below), whose sum is σ = 845208. Its totient is φ = 241464.

The previous prime is 523177. The next prime is 523207. The reversal of 523198 is 891325.

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

It is a super-2 number, since 2×523198² = 547472294408, which contains 22 as substring.

It is a nialpdrome in base 9.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10036 + ... + 10087.

It is an arithmetic number, because the mean of its divisors is an integer number (105651).

2⁵²³¹⁹⁸ is an apocalyptic number.

523198 is a deficient number, since it is larger than the sum of its proper divisors (322010).

523198 is a wasteful number, since it uses less digits than its factorization.

523198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20138.

The product of its digits is 2160, while the sum is 28.

The square root of 523198 is about 723.3242702965. The cubic root of 523198 is about 80.5790281358.

It can be divided in two parts, 5231 and 98, that added together give a square (5329 = 73²).

The spelling of 523198 in words is "five hundred twenty-three thousand, one hundred ninety-eight".