8380829 has 8 divisors (see below), whose sum is σ = 8706720. Its totient is φ = 8060976.

The previous prime is 8380811. The next prime is 8380831. The reversal of 8380829 is 9280838.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8380829 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8380792 and 8380801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8380859) 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, 1427 + ... + 4335.

It is an arithmetic number, because the mean of its divisors is an integer number (1088340).

Almost surely, 2^8380829 is an apocalyptic number.

It is an amenable number.

8380829 is a deficient number, since it is larger than the sum of its proper divisors (325891).

8380829 is a wasteful number, since it uses less digits than its factorization.

8380829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3019.

The product of its (nonzero) digits is 27648, while the sum is 38.

The square root of 8380829 is about 2894.9661483340. The cubic root of 8380829 is about 203.1245080540.

Subtracting 8380829 from its reverse (9280838), we obtain a palindrome (900009).

The spelling of 8380829 in words is "eight million, three hundred eighty thousand, eight hundred twenty-nine".