8065280 has 36 divisors (see below), whose sum is σ = 19321932. Its totient is φ = 3225600.

The previous prime is 8065279. The next prime is 8065283. The reversal of 8065280 is 825608.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3936256 + 4129024 = 1984^2 + 2032^2 .

It is not an unprimeable number, because it can be changed into a prime (8065283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1871 + ... + 4430.

Almost surely, 2^8065280 is an apocalyptic number.

8065280 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8065280 is an abundant number, since it is smaller than the sum of its proper divisors (11256652).

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

8065280 is an equidigital number, since it uses as much as digits as its factorization.

8065280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6322 (or 6308 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 8065280 is about 2839.9436614130. The cubic root of 8065280 is about 200.5425269916.

The spelling of 8065280 in words is "eight million, sixty-five thousand, two hundred eighty".