8168340 has 24 divisors (see below), whose sum is σ = 22871520. Its totient is φ = 2178208.

The previous prime is 8168333. The next prime is 8168341. The reversal of 8168340 is 438618.

It is a happy number.

8168340 is digitally balanced in base 4, because in such base 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 = 8168298 and 8168307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8168341) 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, 68010 + ... + 68129.

It is an arithmetic number, because the mean of its divisors is an integer number (952980).

Almost surely, 2^8168340 is an apocalyptic number.

It is an amenable number.

8168340 is an abundant number, since it is smaller than the sum of its proper divisors (14703180).

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

8168340 is a wasteful number, since it uses less digits than its factorization.

8168340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136151 (or 136149 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 8168340 is about 2858.0307905969. The cubic root of 8168340 is about 201.3931070663.

The spelling of 8168340 in words is "eight million, one hundred sixty-eight thousand, three hundred forty".