8306040 has 64 divisors (see below), whose sum is σ = 26236800. Its totient is φ = 2097792.

The previous prime is 8306029. The next prime is 8306041. The reversal of 8306040 is 406038.

It is a junction number, because it is equal to n+sod(n) for n = 8305998 and 8306016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8306041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 459 + ... + 4101.

It is an arithmetic number, because the mean of its divisors is an integer number (409950).

Almost surely, 2^8306040 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 8306040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13118400).

8306040 is an abundant number, since it is smaller than the sum of its proper divisors (17930760).

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

8306040 is a wasteful number, since it uses less digits than its factorization.

8306040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3676 (or 3672 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 8306040 is about 2882.0201248430. The cubic root of 8306040 is about 202.5184863477.

The spelling of 8306040 in words is "eight million, three hundred six thousand, forty".