189327898 has 12 divisors (see below), whose sum is σ = 286978302. Its totient is φ = 93678720.

The previous prime is 189327857. The next prime is 189327911. The reversal of 189327898 is 898723981.

It can be written as a sum of positive squares in 3 ways, for example, as 159592689 + 29735209 = 12633^2 + 5453^2 .

It is a super-2 number, since 2×189327898² = 71690105922196808, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13788 + ... + 23848.

Almost surely, 2^189327898 is an apocalyptic number.

189327898 is a deficient number, since it is larger than the sum of its proper divisors (97650404).

189327898 is an equidigital number, since it uses as much as digits as its factorization.

189327898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10257 (or 10160 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 55.

The square root of 189327898 is about 13759.6474518790. The cubic root of 189327898 is about 574.2110394452.

It can be divided in two parts, 1893278 and 98, that added together give a square (1893376 = 1376²).

The spelling of 189327898 in words is "one hundred eighty-nine million, three hundred twenty-seven thousand, eight hundred ninety-eight".