9198072 has 96 divisors (see below), whose sum is σ = 27780480. Its totient is φ = 2730240.

The previous prime is 9198019. The next prime is 9198083. The reversal of 9198072 is 2708919.

It is a happy number.

9198072 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 Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28858 + ... + 29174.

It is an arithmetic number, because the mean of its divisors is an integer number (289380).

Almost surely, 2^9198072 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9198072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13890240).

9198072 is an abundant number, since it is smaller than the sum of its proper divisors (18582408).

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

9198072 is a wasteful number, since it uses less digits than its factorization.

9198072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373 (or 366 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 36.

The square root of 9198072 is about 3032.8323395796. The cubic root of 9198072 is about 209.5232723258.

The spelling of 9198072 in words is "nine million, one hundred ninety-eight thousand, seventy-two".