29945169 has 12 divisors (see below), whose sum is σ = 43373200. Its totient is φ = 19908504.

The previous prime is 29945141. The next prime is 29945189. The reversal of 29945169 is 96154992.

It is not a de Polignac number, because 29945169 - 2⁵ = 29945137 is a prime.

It is a super-2 number, since 2×29945169² = 1793426292877122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29945119) 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 11 ways as a sum of consecutive naturals, for example, 979 + ... + 7800.

Almost surely, 2^29945169 is an apocalyptic number.

It is an amenable number.

29945169 is a deficient number, since it is larger than the sum of its proper divisors (13428031).

29945169 is a wasteful number, since it uses less digits than its factorization.

29945169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9164 (or 9161 counting only the distinct ones).

The product of its digits is 174960, while the sum is 45.

The square root of 29945169 is about 5472.2179232922. The cubic root of 29945169 is about 310.5338321868.

The spelling of 29945169 in words is "twenty-nine million, nine hundred forty-five thousand, one hundred sixty-nine".