826198 has 8 divisors (see below), whose sum is σ = 1243440. Its totient is φ = 411720.

The previous prime is 826193. The next prime is 826201. The reversal of 826198 is 891628.

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

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (826193) by changing a digit.

826198 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 408 + ... + 1348.

It is an arithmetic number, because the mean of its divisors is an integer number (155430).

2⁸²⁶¹⁹⁸ is an apocalyptic number.

826198 is a deficient number, since it is larger than the sum of its proper divisors (417242).

826198 is a wasteful number, since it uses less digits than its factorization.

826198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1382.

The product of its digits is 6912, while the sum is 34.

The square root of 826198 is about 908.9543442880. The cubic root of 826198 is about 93.8342484157.

It can be divided in two parts, 826 and 198, that added together give a 10-th power (1024 = 2¹⁰).

The spelling of 826198 in words is "eight hundred twenty-six thousand, one hundred ninety-eight".