8991060 has 48 divisors (see below), whose sum is σ = 27113856. Its totient is φ = 2212992.

The previous prime is 8991041. The next prime is 8991067. The reversal of 8991060 is 601998.

It is a happy number.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8991067) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4984 + ... + 6543.

It is an arithmetic number, because the mean of its divisors is an integer number (564872).

Almost surely, 2^8991060 is an apocalyptic number.

It is an amenable number.

8991060 is an abundant number, since it is smaller than the sum of its proper divisors (18122796).

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

8991060 is a wasteful number, since it uses less digits than its factorization.

8991060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11552 (or 11550 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 33.

The square root of 8991060 is about 2998.5096297994. The cubic root of 8991060 is about 207.9394856011.

The spelling of 8991060 in words is "eight million, nine hundred ninety-one thousand, sixty".