198894093 has 8 divisors (see below), whose sum is σ = 274336800. Its totient is φ = 128023728.

The previous prime is 198894079. The next prime is 198894097. The reversal of 198894093 is 390498891.

It is a happy number.

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

It is not a de Polignac number, because 198894093 - 2⁴ = 198894077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198894097) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1142983 + ... + 1143156.

It is an arithmetic number, because the mean of its divisors is an integer number (34292100).

Almost surely, 2^198894093 is an apocalyptic number.

It is an amenable number.

198894093 is a deficient number, since it is larger than the sum of its proper divisors (75442707).

198894093 is a wasteful number, since it uses less digits than its factorization.

198894093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2286171.

The product of its (nonzero) digits is 559872, while the sum is 51.

The square root of 198894093 is about 14102.9817060081. The cubic root of 198894093 is about 583.7236575316.

The spelling of 198894093 in words is "one hundred ninety-eight million, eight hundred ninety-four thousand, ninety-three".