8129834 has 8 divisors (see below), whose sum is σ = 12836640. Its totient is φ = 3850956.

The previous prime is 8129819. The next prime is 8129837. The reversal of 8129834 is 4389218.

It is a happy number.

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

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 8129794 and 8129803.

It is not an unprimeable number, because it can be changed into a prime (8129837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106934 + ... + 107009.

It is an arithmetic number, because the mean of its divisors is an integer number (1604580).

Almost surely, 2^8129834 is an apocalyptic number.

8129834 is a deficient number, since it is larger than the sum of its proper divisors (4706806).

8129834 is a wasteful number, since it uses less digits than its factorization.

8129834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213964.

The product of its digits is 13824, while the sum is 35.

The square root of 8129834 is about 2851.2863763572. The cubic root of 8129834 is about 201.0761491295.

The spelling of 8129834 in words is "eight million, one hundred twenty-nine thousand, eight hundred thirty-four".