8021006 has 12 divisors (see below), whose sum is σ = 13996008. Its totient is φ = 3437532.

The previous prime is 8021003. The next prime is 8021009. The reversal of 8021006 is 6001208.

It is an interprime number because it is at equal distance from previous prime (8021003) and next prime (8021009).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8021003) 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 5 ways as a sum of consecutive naturals, for example, 40826 + ... + 41021.

It is an arithmetic number, because the mean of its divisors is an integer number (1166334).

Almost surely, 2^8021006 is an apocalyptic number.

8021006 is a deficient number, since it is larger than the sum of its proper divisors (5975002).

8021006 is a wasteful number, since it uses less digits than its factorization.

8021006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81863 (or 81856 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 8021006 is about 2832.1380616065. The cubic root of 8021006 is about 200.1748970106.

The spelling of 8021006 in words is "eight million, twenty-one thousand, six".