8021154 has 32 divisors (see below), whose sum is σ = 17141760. Its totient is φ = 2494800.

The previous prime is 8021147. The next prime is 8021159. The reversal of 8021154 is 4511208.

It is a super-2 number, since 2×8021154² = 128677822983432, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 8021154.

It is not an unprimeable number, because it can be changed into a prime (8021159) 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 15 ways as a sum of consecutive naturals, for example, 7599 + ... + 8589.

It is an arithmetic number, because the mean of its divisors is an integer number (535680).

Almost surely, 2^8021154 is an apocalyptic number.

8021154 is an abundant number, since it is smaller than the sum of its proper divisors (9120606).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8021154 is a wasteful number, since it uses less digits than its factorization.

8021154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1086.

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 8021154 is about 2832.1641901556. The cubic root of 8021154 is about 200.1761281821.

The spelling of 8021154 in words is "eight million, twenty-one thousand, one hundred fifty-four".