189825698 has 4 divisors (see below), whose sum is σ = 284738550. Its totient is φ = 94912848.

The previous prime is 189825683. The next prime is 189825733. The reversal of 189825698 is 896528981.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 896528981 = 37 ⋅24230513.

It can be written as a sum of positive squares in only one way, i.e., 187772209 + 2053489 = 13703^2 + 1433^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47456423 + ... + 47456426.

Almost surely, 2^189825698 is an apocalyptic number.

189825698 is a deficient number, since it is larger than the sum of its proper divisors (94912852).

189825698 is an equidigital number, since it uses as much as digits as its factorization.

189825698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94912851.

The product of its digits is 2488320, while the sum is 56.

The square root of 189825698 is about 13777.7247033028. The cubic root of 189825698 is about 574.7138568711.

The spelling of 189825698 in words is "one hundred eighty-nine million, eight hundred twenty-five thousand, six hundred ninety-eight".