8065980 has 120 divisors (see below), whose sum is σ = 27320832. Its totient is φ = 1980288.

The previous prime is 8065957. The next prime is 8065987. The reversal of 8065980 is 895608.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8065987) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 20869 + ... + 21251.

Almost surely, 2^8065980 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8065980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13660416).

8065980 is an abundant number, since it is smaller than the sum of its proper divisors (19254852).

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

8065980 is a wasteful number, since it uses less digits than its factorization.

8065980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417 (or 406 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 8065980 is about 2840.0669006205. The cubic root of 8065980 is about 200.5483286380.

It can be divided in two parts, 8065 and 980, that added together give a triangular number (9045 = T₁₃₄).

The spelling of 8065980 in words is "eight million, sixty-five thousand, nine hundred eighty".