9199998 has 12 divisors (see below), whose sum is σ = 19933368. Its totient is φ = 3066660.

The previous prime is 9199997. The next prime is 9200017. The reversal of 9199998 is 8999919.

9199998 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9199991) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 255538 + ... + 255573.

It is an arithmetic number, because the mean of its divisors is an integer number (1661114).

Almost surely, 2^9199998 is an apocalyptic number.

9199998 is an abundant number, since it is smaller than the sum of its proper divisors (10733370).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9199998 is a wasteful number, since it uses less digits than its factorization.

9199998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511119 (or 511116 counting only the distinct ones).

The product of its digits is 472392, while the sum is 54.

The square root of 9199998 is about 3033.1498479304. The cubic root of 9199998 is about 209.5378954504.

The spelling of 9199998 in words is "nine million, one hundred ninety-nine thousand, nine hundred ninety-eight".