198388846 has 16 divisors (see below), whose sum is σ = 313603488. Its totient is φ = 93940000.

The previous prime is 198388843. The next prime is 198388847. The reversal of 198388846 is 648883891.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198388843) 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, 16705 + ... + 25996.

It is an arithmetic number, because the mean of its divisors is an integer number (19600218).

Almost surely, 2^198388846 is an apocalyptic number.

198388846 is a deficient number, since it is larger than the sum of its proper divisors (115214642).

198388846 is a wasteful number, since it uses less digits than its factorization.

198388846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42827.

The product of its digits is 2654208, while the sum is 55.

The square root of 198388846 is about 14085.0575433684. The cubic root of 198388846 is about 583.2289642573.

The spelling of 198388846 in words is "one hundred ninety-eight million, three hundred eighty-eight thousand, eight hundred forty-six".