29505489 has 32 divisors (see below), whose sum is σ = 45287424. Its totient is φ = 16926720.

The previous prime is 29505479. The next prime is 29505491. The reversal of 29505489 is 98450592.

It is not a de Polignac number, because 29505489 - 2⁵ = 29505457 is a prime.

It is a super-2 number, since 2×29505489² = 1741147762258242, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 29505489.

It is not an unprimeable number, because it can be changed into a prime (29505479) 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 31 ways as a sum of consecutive naturals, for example, 126517 + ... + 126749.

It is an arithmetic number, because the mean of its divisors is an integer number (1415232).

Almost surely, 2^29505489 is an apocalyptic number.

It is an amenable number.

29505489 is a deficient number, since it is larger than the sum of its proper divisors (15781935).

29505489 is a wasteful number, since it uses less digits than its factorization.

29505489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457.

The product of its (nonzero) digits is 129600, while the sum is 42.

The square root of 29505489 is about 5431.8955255049. The cubic root of 29505489 is about 309.0064933020.

The spelling of 29505489 in words is "twenty-nine million, five hundred five thousand, four hundred eighty-nine".