8859140 has 24 divisors (see below), whose sum is σ = 19414080. Its totient is φ = 3389408.

The previous prime is 8859131. The next prime is 8859143. The reversal of 8859140 is 419588.

It is a self number, because there is not a number n which added to its sum of digits gives 8859140.

It is not an unprimeable number, because it can be changed into a prime (8859143) 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, 9170 + ... + 10089.

It is an arithmetic number, because the mean of its divisors is an integer number (808920).

Almost surely, 2^8859140 is an apocalyptic number.

It is an amenable number.

8859140 is an abundant number, since it is smaller than the sum of its proper divisors (10554940).

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

8859140 is a wasteful number, since it uses less digits than its factorization.

8859140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19291 (or 19289 counting only the distinct ones).

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

The square root of 8859140 is about 2976.4307483965. The cubic root of 8859140 is about 206.9174836613.

The spelling of 8859140 in words is "eight million, eight hundred fifty-nine thousand, one hundred forty".