29805149 has 16 divisors (see below), whose sum is σ = 33849024. Its totient is φ = 26006400.

The previous prime is 29805119. The next prime is 29805157. The reversal of 29805149 is 94150892.

It is not a de Polignac number, because 29805149 - 2²⁰ = 28756573 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29805109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28337 + ... + 29369.

It is an arithmetic number, because the mean of its divisors is an integer number (2115564).

Almost surely, 2^29805149 is an apocalyptic number.

It is an amenable number.

29805149 is a deficient number, since it is larger than the sum of its proper divisors (4043875).

29805149 is a wasteful number, since it uses less digits than its factorization.

29805149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1148.

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 29805149 is about 5459.4092171223. The cubic root of 29805149 is about 310.0490695824.

The spelling of 29805149 in words is "twenty-nine million, eight hundred five thousand, one hundred forty-nine".