8081340 has 36 divisors (see below), whose sum is σ = 22689576. Its totient is φ = 2149152.

The previous prime is 8081323. The next prime is 8081351. The reversal of 8081340 is 431808.

It is a nialpdrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 8081340.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21837 + ... + 22203.

It is an arithmetic number, because the mean of its divisors is an integer number (630266).

Almost surely, 2^8081340 is an apocalyptic number.

It is an amenable number.

8081340 is an abundant number, since it is smaller than the sum of its proper divisors (14608236).

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

8081340 is a wasteful number, since it uses less digits than its factorization.

8081340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 746 (or 377 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 8081340 is about 2842.7697761162. The cubic root of 8081340 is about 200.6755489324.

The spelling of 8081340 in words is "eight million, eighty-one thousand, three hundred forty".