8065428 has 24 divisors (see below), whose sum is σ = 21508032. Its totient is φ = 2304384.

The previous prime is 8065423. The next prime is 8065439. The reversal of 8065428 is 8245608.

It is a super-2 number, since 2×8065428² = 130102257646368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8065423) 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 7 ways as a sum of consecutive naturals, for example, 47925 + ... + 48092.

It is an arithmetic number, because the mean of its divisors is an integer number (896168).

Almost surely, 2^8065428 is an apocalyptic number.

It is an amenable number.

8065428 is an abundant number, since it is smaller than the sum of its proper divisors (13442604).

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

8065428 is a wasteful number, since it uses less digits than its factorization.

8065428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96031 (or 96029 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 8065428 is about 2839.9697181484. The cubic root of 8065428 is about 200.5437536534.

The spelling of 8065428 in words is "eight million, sixty-five thousand, four hundred twenty-eight".