198662 has 8 divisors (see below), whose sum is σ = 315576. Its totient is φ = 93472.

The previous prime is 198659. The next prime is 198673. The reversal of 198662 is 266891.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2888 + ... + 2955.

It is an arithmetic number, because the mean of its divisors is an integer number (39447).

2¹⁹⁸⁶⁶² is an apocalyptic number.

198662 is a deficient number, since it is larger than the sum of its proper divisors (116914).

198662 is a wasteful number, since it uses less digits than its factorization.

198662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5862.

The product of its digits is 5184, while the sum is 32.

The square root of 198662 is about 445.7151556768. The cubic root of 198662 is about 58.3496516705.

It can be divided in two parts, 1986 and 62, that added together give a 11-th power (2048 = 2¹¹).

The spelling of 198662 in words is "one hundred ninety-eight thousand, six hundred sixty-two".