8890140 has 96 divisors (see below), whose sum is σ = 28998144. Its totient is φ = 1992960.

The previous prime is 8890129. The next prime is 8890187. The reversal of 8890140 is 410988.

It is a happy number.

8890140 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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 = 8890098 and 8890107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25447 + ... + 25793.

It is an arithmetic number, because the mean of its divisors is an integer number (302064).

Almost surely, 2^8890140 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8890140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14499072).

8890140 is an abundant number, since it is smaller than the sum of its proper divisors (20108004).

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

8890140 is a wasteful number, since it uses less digits than its factorization.

8890140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427 (or 425 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 8890140 is about 2981.6337803292. The cubic root of 8890140 is about 207.1585520071.

The spelling of 8890140 in words is "eight million, eight hundred ninety thousand, one hundred forty".