9640000198 has 4 divisors (see below), whose sum is σ = 14460000300. Its totient is φ = 4820000098.

The previous prime is 9640000187. The next prime is 9640000199. The reversal of 9640000198 is 8910000469.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8910000469 = 317 ⋅28107257.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9640000199) 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 as a sum of consecutive naturals, namely, 2410000048 + ... + 2410000051.

It is an arithmetic number, because the mean of its divisors is an integer number (3615000075).

Almost surely, 2^9640000198 is an apocalyptic number.

9640000198 is a deficient number, since it is larger than the sum of its proper divisors (4820000102).

9640000198 is a wasteful number, since it uses less digits than its factorization.

9640000198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4820000101.

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 9640000198 is about 98183.5026773847. The cubic root of 9640000198 is about 2128.2648919961.

The spelling of 9640000198 in words is "nine billion, six hundred forty million, one hundred ninety-eight", and thus it is an aban number.