8130829 has 4 divisors (see below), whose sum is σ = 9292384. Its totient is φ = 6969276.

The previous prime is 8130821. The next prime is 8130839. The reversal of 8130829 is 9280318.

8130829 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9280318 = 2 ⋅4640159.

It is a cyclic number.

It is not a de Polignac number, because 8130829 - 2³ = 8130821 is a prime.

It is a super-2 number, since 2×8130829² = 132220760454482, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8130829.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8130821) 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, 580767 + ... + 580780.

It is an arithmetic number, because the mean of its divisors is an integer number (2323096).

Almost surely, 2^8130829 is an apocalyptic number.

It is an amenable number.

8130829 is a deficient number, since it is larger than the sum of its proper divisors (1161555).

8130829 is a wasteful number, since it uses less digits than its factorization.

8130829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1161554.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 8130829 is about 2851.4608536678. The cubic root of 8130829 is about 201.0843519459.

The spelling of 8130829 in words is "eight million, one hundred thirty thousand, eight hundred twenty-nine".