9155980 has 12 divisors (see below), whose sum is σ = 19227600. Its totient is φ = 3662384.

The previous prime is 9155977. The next prime is 9155987. The reversal of 9155980 is 895519.

9155980 is digitally balanced in base 2, because in such base 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 (9155987) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 228880 + ... + 228919.

It is an arithmetic number, because the mean of its divisors is an integer number (1602300).

Almost surely, 2^9155980 is an apocalyptic number.

It is an amenable number.

9155980 is an abundant number, since it is smaller than the sum of its proper divisors (10071620).

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

9155980 is a wasteful number, since it uses less digits than its factorization.

9155980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457808 (or 457806 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 37.

The square root of 9155980 is about 3025.8849945099. The cubic root of 9155980 is about 209.2031784081.

The spelling of 9155980 in words is "nine million, one hundred fifty-five thousand, nine hundred eighty".