189663098 has 4 divisors (see below), whose sum is σ = 284494650. Its totient is φ = 94831548.

The previous prime is 189663043. The next prime is 189663107. The reversal of 189663098 is 890366981.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 124166449 + 65496649 = 11143^2 + 8093^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47415773 + ... + 47415776.

Almost surely, 2^189663098 is an apocalyptic number.

189663098 is a deficient number, since it is larger than the sum of its proper divisors (94831552).

189663098 is an equidigital number, since it uses as much as digits as its factorization.

189663098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94831551.

The product of its (nonzero) digits is 559872, while the sum is 50.

The square root of 189663098 is about 13771.8226099525. The cubic root of 189663098 is about 574.5497147683.

The spelling of 189663098 in words is "one hundred eighty-nine million, six hundred sixty-three thousand, ninety-eight".