29828109 has 16 divisors (see below), whose sum is σ = 40632320. Its totient is φ = 19459440.

The previous prime is 29828101. The next prime is 29828129. The reversal of 29828109 is 90182892.

It is not a de Polignac number, because 29828109 - 2³ = 29828101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29828101) 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 15 ways as a sum of consecutive naturals, for example, 29604 + ... + 30594.

It is an arithmetic number, because the mean of its divisors is an integer number (2539520).

Almost surely, 2^29828109 is an apocalyptic number.

It is an amenable number.

29828109 is a deficient number, since it is larger than the sum of its proper divisors (10804211).

29828109 is a wasteful number, since it uses less digits than its factorization.

29828109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1200.

The product of its (nonzero) digits is 20736, while the sum is 39.

The square root of 29828109 is about 5461.5116039426. The cubic root of 29828109 is about 310.1286632065.

The spelling of 29828109 in words is "twenty-nine million, eight hundred twenty-eight thousand, one hundred nine".