8066431 has 4 divisors (see below), whose sum is σ = 8491000. Its totient is φ = 7641864.

The previous prime is 8066419. The next prime is 8066497. The reversal of 8066431 is 1346608.

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

It is a cyclic number.

It is not a de Polignac number, because 8066431 - 2¹⁷ = 7935359 is a prime.

It is a super-2 number, since 2×8066431² = 130134618155522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8066431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8066411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 212256 + ... + 212293.

It is an arithmetic number, because the mean of its divisors is an integer number (2122750).

Almost surely, 2^8066431 is an apocalyptic number.

8066431 is a deficient number, since it is larger than the sum of its proper divisors (424569).

8066431 is a wasteful number, since it uses less digits than its factorization.

8066431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424568.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 8066431 is about 2840.1462990487. The cubic root of 8066431 is about 200.5520663781.

The spelling of 8066431 in words is "eight million, sixty-six thousand, four hundred thirty-one".