30806829 has 24 divisors (see below), whose sum is σ = 46380672. Its totient is φ = 19686240.

The previous prime is 30806819. The next prime is 30806843. The reversal of 30806829 is 92860803.

It is not a de Polignac number, because 30806829 - 2⁷ = 30806701 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30806793 and 30806802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30806819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22992 + ... + 24294.

It is an arithmetic number, because the mean of its divisors is an integer number (1932528).

Almost surely, 2^30806829 is an apocalyptic number.

It is an amenable number.

30806829 is a deficient number, since it is larger than the sum of its proper divisors (15573843).

30806829 is a wasteful number, since it uses less digits than its factorization.

30806829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1417 (or 1414 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 30806829 is about 5550.3899862983. The cubic root of 30806829 is about 313.4842066783.

The spelling of 30806829 in words is "thirty million, eight hundred six thousand, eight hundred twenty-nine".