8985140 has 24 divisors (see below), whose sum is σ = 18926880. Its totient is φ = 3583008.

The previous prime is 8985139. The next prime is 8985149. The reversal of 8985140 is 415898.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 8985140.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8985149) 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, 10031 + ... + 10889.

It is an arithmetic number, because the mean of its divisors is an integer number (788620).

Almost surely, 2^8985140 is an apocalyptic number.

It is an amenable number.

8985140 is an abundant number, since it is smaller than the sum of its proper divisors (9941740).

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

8985140 is a wasteful number, since it uses less digits than its factorization.

8985140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1391 (or 1389 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 35.

The square root of 8985140 is about 2997.5223101755. The cubic root of 8985140 is about 207.8938375896.

The spelling of 8985140 in words is "eight million, nine hundred eighty-five thousand, one hundred forty".