8380765 has 8 divisors (see below), whose sum is σ = 10195128. Its totient is φ = 6612480.

The previous prime is 8380751. The next prime is 8380781. The reversal of 8380765 is 5670838.

It can be written as a sum of positive squares in 4 ways, for example, as 1610361 + 6770404 = 1269^2 + 2602^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8380765 - 2⁵ = 8380733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11116 + ... + 11845.

It is an arithmetic number, because the mean of its divisors is an integer number (1274391).

Almost surely, 2^8380765 is an apocalyptic number.

It is an amenable number.

8380765 is a deficient number, since it is larger than the sum of its proper divisors (1814363).

8380765 is a wasteful number, since it uses less digits than its factorization.

8380765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23039.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 8380765 is about 2894.9550946431. The cubic root of 8380765 is about 203.1239910009.

The spelling of 8380765 in words is "eight million, three hundred eighty thousand, seven hundred sixty-five".