29529909 has 6 divisors (see below), whose sum is σ = 42654326. Its totient is φ = 19686600.

The previous prime is 29529893. The next prime is 29529911. The reversal of 29529909 is 90992592.

It can be written as a sum of positive squares in only one way, i.e., 15444900 + 14085009 = 3930^2 + 3753^2 .

It is not a de Polignac number, because 29529909 - 2⁴ = 29529893 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 (29529919) 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 5 ways as a sum of consecutive naturals, for example, 1640542 + ... + 1640559.

Almost surely, 2^29529909 is an apocalyptic number.

It is an amenable number.

29529909 is a deficient number, since it is larger than the sum of its proper divisors (13124417).

29529909 is a wasteful number, since it uses less digits than its factorization.

29529909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3281107 (or 3281104 counting only the distinct ones).

The product of its (nonzero) digits is 131220, while the sum is 45.

The square root of 29529909 is about 5434.1428946983. The cubic root of 29529909 is about 309.0917187747.

The spelling of 29529909 in words is "twenty-nine million, five hundred twenty-nine thousand, nine hundred nine".