308829 has 8 divisors (see below), whose sum is σ = 415872. Its totient is φ = 203840.

The previous prime is 308827. The next prime is 308849. The reversal of 308829 is 928803.

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

It is a cyclic number.

It is not a de Polignac number, because 308829 - 2¹ = 308827 is a prime.

It is a nialpdrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 308796 and 308805.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 308829.

It is not an unprimeable number, because it can be changed into a prime (308827) 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 7 ways as a sum of consecutive naturals, for example, 117 + ... + 794.

It is an arithmetic number, because the mean of its divisors is an integer number (51984).

2³⁰⁸⁸²⁹ is an apocalyptic number.

It is an amenable number.

308829 is a deficient number, since it is larger than the sum of its proper divisors (107043).

308829 is a wasteful number, since it uses less digits than its factorization.

308829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1027.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 308829 is about 555.7238522864. The cubic root of 308829 is about 67.5936696802.

The spelling of 308829 in words is "three hundred eight thousand, eight hundred twenty-nine".