8891340 has 96 divisors (see below), whose sum is σ = 27578880. Its totient is φ = 2128896.

The previous prime is 8891339. The next prime is 8891341. The reversal of 8891340 is 431988.

It is an interprime number because it is at equal distance from previous prime (8891339) and next prime (8891341).

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (8891341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23271 + ... + 23649.

It is an arithmetic number, because the mean of its divisors is an integer number (287280).

Almost surely, 2^8891340 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 8891340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13789440).

8891340 is an abundant number, since it is smaller than the sum of its proper divisors (18687540).

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

8891340 is a wasteful number, since it uses less digits than its factorization.

8891340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431 (or 429 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 8891340 is about 2981.8350054958. The cubic root of 8891340 is about 207.1678724107.

The spelling of 8891340 in words is "eight million, eight hundred ninety-one thousand, three hundred forty".