8021144 has 16 divisors (see below), whose sum is σ = 15924600. Its totient is φ = 3774592.

The previous prime is 8021131. The next prime is 8021147. The reversal of 8021144 is 4411208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8021147) 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, 29354 + ... + 29625.

Almost surely, 2^8021144 is an apocalyptic number.

It is an amenable number.

8021144 is a deficient number, since it is larger than the sum of its proper divisors (7903456).

8021144 is a wasteful number, since it uses less digits than its factorization.

8021144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59002 (or 58998 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 8021144 is about 2832.1624247207. The cubic root of 8021144 is about 200.1760449953.

The spelling of 8021144 in words is "eight million, twenty-one thousand, one hundred forty-four".