29889530 has 16 divisors (see below), whose sum is σ = 58692384. Its totient is φ = 10868880.

The previous prime is 29889529. The next prime is 29889547. The reversal of 29889530 is 3598892.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 135752 + ... + 135971.

It is an arithmetic number, because the mean of its divisors is an integer number (3668274).

Almost surely, 2^29889530 is an apocalyptic number.

29889530 is a deficient number, since it is larger than the sum of its proper divisors (28802854).

29889530 is a wasteful number, since it uses less digits than its factorization.

29889530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271741.

The product of its (nonzero) digits is 155520, while the sum is 44.

The square root of 29889530 is about 5467.1317891560. The cubic root of 29889530 is about 310.3413859658.

The spelling of 29889530 in words is "twenty-nine million, eight hundred eighty-nine thousand, five hundred thirty".