8971140 has 24 divisors (see below), whose sum is σ = 25119360. Its totient is φ = 2392288.

The previous prime is 8971139. The next prime is 8971147. The reversal of 8971140 is 411798.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 8971098 and 8971107.

It is not an unprimeable number, because it can be changed into a prime (8971147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74700 + ... + 74819.

It is an arithmetic number, because the mean of its divisors is an integer number (1046640).

Almost surely, 2^8971140 is an apocalyptic number.

It is an amenable number.

8971140 is an abundant number, since it is smaller than the sum of its proper divisors (16148220).

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

8971140 is a wasteful number, since it uses less digits than its factorization.

8971140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149531 (or 149529 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 30.

The square root of 8971140 is about 2995.1861377884. The cubic root of 8971140 is about 207.7858063778.

The spelling of 8971140 in words is "eight million, nine hundred seventy-one thousand, one hundred forty".