198923026 has 16 divisors (see below), whose sum is σ = 306849240. Its totient is φ = 96647040.

The previous prime is 198923017. The next prime is 198923057. The reversal of 198923026 is 620329891.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 98903025 + 100020001 = 9945^2 + 10001^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 198923026.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82356 + ... + 84736.

Almost surely, 2^198923026 is an apocalyptic number.

198923026 is a deficient number, since it is larger than the sum of its proper divisors (107926214).

198923026 is a wasteful number, since it uses less digits than its factorization.

198923026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3549.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 198923026 is about 14104.0074446946. The cubic root of 198923026 is about 583.7519607984.

The spelling of 198923026 in words is "one hundred ninety-eight million, nine hundred twenty-three thousand, twenty-six".