9198868 has 18 divisors (see below), whose sum is σ = 18726666. Its totient is φ = 3942288.

The previous prime is 9198863. The next prime is 9198901. The reversal of 9198868 is 8688919.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 5466244 + 3732624 = 2338^2 + 1932^2 .

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9198863) 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, 23271 + ... + 23662.

Almost surely, 2^9198868 is an apocalyptic number.

9198868 is a gapful number since it is divisible by the number (98) formed by its first and last digit.

It is an amenable number.

9198868 is an abundant number, since it is smaller than the sum of its proper divisors (9527798).

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

9198868 is a wasteful number, since it uses less digits than its factorization.

9198868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46951 (or 46942 counting only the distinct ones).

The product of its digits is 248832, while the sum is 49.

The square root of 9198868 is about 3032.9635672062. The cubic root of 9198868 is about 209.5293161907.

The spelling of 9198868 in words is "nine million, one hundred ninety-eight thousand, eight hundred sixty-eight".