9599998 has 4 divisors (see below), whose sum is σ = 14400000. Its totient is φ = 4799998.

The previous prime is 9599977. The next prime is 9600037. The reversal of 9599998 is 8999959.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8999959 = 743 ⋅12113.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2399998 + ... + 2400001.

It is an arithmetic number, because the mean of its divisors is an integer number (3600000).

Almost surely, 2^9599998 is an apocalyptic number.

9599998 is a deficient number, since it is larger than the sum of its proper divisors (4800002).

9599998 is a wasteful number, since it uses less digits than its factorization.

9599998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4800001.

The product of its digits is 2361960, while the sum is 58.

The square root of 9599998 is about 3098.3863542173. The cubic root of 9599998 is about 212.5316990774.

The spelling of 9599998 in words is "nine million, five hundred ninety-nine thousand, nine hundred ninety-eight".