198089662 has 32 divisors (see below), whose sum is σ = 323066880. Its totient is φ = 90810720.

The previous prime is 198089657. The next prime is 198089669. The reversal of 198089662 is 266980891.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198089669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 216987 + ... + 217897.

It is an arithmetic number, because the mean of its divisors is an integer number (10095840).

Almost surely, 2^198089662 is an apocalyptic number.

198089662 is a deficient number, since it is larger than the sum of its proper divisors (124977218).

198089662 is a wasteful number, since it uses less digits than its factorization.

198089662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1128.

The product of its (nonzero) digits is 373248, while the sum is 49.

The square root of 198089662 is about 14074.4329193044. The cubic root of 198089662 is about 582.9356336472.

The spelling of 198089662 in words is "one hundred ninety-eight million, eighty-nine thousand, six hundred sixty-two".