8165380 has 24 divisors (see below), whose sum is σ = 17303832. Its totient is φ = 3236352.

The previous prime is 8165371. The next prime is 8165387. The reversal of 8165380 is 835618.

It can be written as a sum of positive squares in 4 ways, for example, as 1153476 + 7011904 = 1074^2 + 2648^2 .

It is not an unprimeable number, because it can be changed into a prime (8165387) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 454 + ... + 4066.

It is an arithmetic number, because the mean of its divisors is an integer number (720993).

Almost surely, 2^8165380 is an apocalyptic number.

It is an amenable number.

8165380 is an abundant number, since it is smaller than the sum of its proper divisors (9138452).

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

8165380 is a wasteful number, since it uses less digits than its factorization.

8165380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3735 (or 3733 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 8165380 is about 2857.5129046078. The cubic root of 8165380 is about 201.3687775363.

The spelling of 8165380 in words is "eight million, one hundred sixty-five thousand, three hundred eighty".