9668998 has 4 divisors (see below), whose sum is σ = 14503500. Its totient is φ = 4834498.

The previous prime is 9668987. The next prime is 9668999. The reversal of 9668998 is 8998669.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8998669 = 1093 ⋅8233.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9668999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2417248 + ... + 2417251.

It is an arithmetic number, because the mean of its divisors is an integer number (3625875).

Almost surely, 2^9668998 is an apocalyptic number.

9668998 is a deficient number, since it is larger than the sum of its proper divisors (4834502).

9668998 is a wasteful number, since it uses less digits than its factorization.

9668998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4834501.

The product of its digits is 1679616, while the sum is 55.

The square root of 9668998 is about 3109.5012461808. The cubic root of 9668998 is about 213.0396746244.

The spelling of 9668998 in words is "nine million, six hundred sixty-eight thousand, nine hundred ninety-eight".