9197980 has 24 divisors (see below), whose sum is σ = 21072240. Its totient is φ = 3344640.

The previous prime is 9197921. The next prime is 9197983. The reversal of 9197980 is 897919.

9197980 = T₃₃₀ + T₃₃₁ + ... + T₄₄₉.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9197983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20685 + ... + 21124.

It is an arithmetic number, because the mean of its divisors is an integer number (878010).

Almost surely, 2^9197980 is an apocalyptic number.

It is an amenable number.

9197980 is an abundant number, since it is smaller than the sum of its proper divisors (11874260).

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

9197980 is a wasteful number, since it uses less digits than its factorization.

9197980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41829 (or 41827 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 43.

The square root of 9197980 is about 3032.8171722015. The cubic root of 9197980 is about 209.5225737662.

The spelling of 9197980 in words is "nine million, one hundred ninety-seven thousand, nine hundred eighty".