8993340 has 72 divisors (see below), whose sum is σ = 28894320. Its totient is φ = 2256384.

The previous prime is 8993333. The next prime is 8993351. The reversal of 8993340 is 433998.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 8993295 and 8993304.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1591 + ... + 4529.

It is an arithmetic number, because the mean of its divisors is an integer number (401310).

Almost surely, 2^8993340 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 8993340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14447160).

8993340 is an abundant number, since it is smaller than the sum of its proper divisors (19900980).

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

8993340 is a wasteful number, since it uses less digits than its factorization.

8993340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2971 (or 2966 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 8993340 is about 2998.8897945740. The cubic root of 8993340 is about 207.9570609095.

The spelling of 8993340 in words is "eight million, nine hundred ninety-three thousand, three hundred forty".