198064 has 10 divisors (see below), whose sum is σ = 383780. Its totient is φ = 99024.

The previous prime is 198047. The next prime is 198073. The reversal of 198064 is 460891.

It is an Ulam number.

It is a plaindrome in base 11.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6174 + ... + 6205.

It is an arithmetic number, because the mean of its divisors is an integer number (38378).

2¹⁹⁸⁰⁶⁴ is an apocalyptic number.

It is an amenable number.

198064 is a deficient number, since it is larger than the sum of its proper divisors (185716).

198064 is a wasteful number, since it uses less digits than its factorization.

198064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12387 (or 12381 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 198064 is about 445.0438180674. The cubic root of 198064 is about 58.2910459962.

The spelling of 198064 in words is "one hundred ninety-eight thousand, sixty-four".