8140807 has 4 divisors (see below), whose sum is σ = 8619696. Its totient is φ = 7661920.

The previous prime is 8140771. The next prime is 8140829. The reversal of 8140807 is 7080418.

8140807 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8140807 is a prime.

It is a super-2 number, since 2×8140807² = 132545477222498, which contains 22 as substring.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8140897) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 239419 + ... + 239452.

It is an arithmetic number, because the mean of its divisors is an integer number (2154924).

Almost surely, 2^8140807 is an apocalyptic number.

8140807 is a deficient number, since it is larger than the sum of its proper divisors (478889).

8140807 is a wasteful number, since it uses less digits than its factorization.

8140807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478888.

The product of its (nonzero) digits is 1792, while the sum is 28.

The square root of 8140807 is about 2853.2099467091. The cubic root of 8140807 is about 201.1665739627.

The spelling of 8140807 in words is "eight million, one hundred forty thousand, eight hundred seven".