8021912 has 8 divisors (see below), whose sum is σ = 15041100. Its totient is φ = 4010952.

The previous prime is 8021911. The next prime is 8021939. The reversal of 8021912 is 2191208.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×8021912³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8021911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501362 + ... + 501377.

Almost surely, 2^8021912 is an apocalyptic number.

It is an amenable number.

8021912 is a deficient number, since it is larger than the sum of its proper divisors (7019188).

8021912 is a wasteful number, since it uses less digits than its factorization.

8021912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1002745 (or 1002741 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 8021912 is about 2832.2980069195. The cubic root of 8021912 is about 200.1824335394.

The spelling of 8021912 in words is "eight million, twenty-one thousand, nine hundred twelve".