623198 has 8 divisors (see below), whose sum is σ = 938208. Its totient is φ = 310464.

The previous prime is 623171. The next prime is 623209. The reversal of 623198 is 891326.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 623198.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 623198.

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, 590 + ... + 1262.

It is an arithmetic number, because the mean of its divisors is an integer number (117276).

2⁶²³¹⁹⁸ is an apocalyptic number.

623198 is a deficient number, since it is larger than the sum of its proper divisors (315010).

623198 is a wasteful number, since it uses less digits than its factorization.

623198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1138.

The product of its digits is 2592, while the sum is 29.

The square root of 623198 is about 789.4289075021. The cubic root of 623198 is about 85.4165481920.

The spelling of 623198 in words is "six hundred twenty-three thousand, one hundred ninety-eight".