8021433 has 16 divisors (see below), whose sum is σ = 12942720. Its totient is φ = 4313856.

The previous prime is 8021413. The next prime is 8021471. The reversal of 8021433 is 3341208.

It is a happy number.

It is not a de Polignac number, because 8021433 - 2⁹ = 8020921 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (8021413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10878 + ... + 11591.

It is an arithmetic number, because the mean of its divisors is an integer number (808920).

Almost surely, 2^8021433 is an apocalyptic number.

It is an amenable number.

8021433 is a deficient number, since it is larger than the sum of its proper divisors (4921287).

8021433 is a wasteful number, since it uses less digits than its factorization.

8021433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22496.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 8021433 is about 2832.2134453462. The cubic root of 8021433 is about 200.1784490656.

The spelling of 8021433 in words is "eight million, twenty-one thousand, four hundred thirty-three".