29528109 has 48 divisors (see below), whose sum is σ = 49795200. Its totient is φ = 16702848.

The previous prime is 29528101. The next prime is 29528111. The reversal of 29528109 is 90182592.

29528109 is a `hidden beast` number, since 29 + 528 + 109 = 666.

It is not a de Polignac number, because 29528109 - 2³ = 29528101 is a prime.

It is a super-2 number, since 2×29528109² = 1743818442231762, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29528101) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 82072 + ... + 82430.

It is an arithmetic number, because the mean of its divisors is an integer number (1037400).

Almost surely, 2^29528109 is an apocalyptic number.

It is an amenable number.

29528109 is a deficient number, since it is larger than the sum of its proper divisors (20267091).

29528109 is a wasteful number, since it uses less digits than its factorization.

29528109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434 (or 431 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 29528109 is about 5433.9772726797. The cubic root of 29528109 is about 309.0854384032.

The spelling of 29528109 in words is "twenty-nine million, five hundred twenty-eight thousand, one hundred nine".