29011005 has 24 divisors (see below), whose sum is σ = 52933920. Its totient is φ = 14657760.

The previous prime is 29011001. The next prime is 29011033. The reversal of 29011005 is 50011092.

It is not a de Polignac number, because 29011005 - 2² = 29011001 is a prime.

It is a super-2 number, since 2×29011005² = 1683276822220050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29011001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16111 + ... + 17820.

It is an arithmetic number, because the mean of its divisors is an integer number (2205580).

Almost surely, 2^29011005 is an apocalyptic number.

It is an amenable number.

29011005 is a deficient number, since it is larger than the sum of its proper divisors (23922915).

29011005 is a wasteful number, since it uses less digits than its factorization.

29011005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33961 (or 33958 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 18.

The square root of 29011005 is about 5386.1864988134. The cubic root of 29011005 is about 307.2705406958.

Adding to 29011005 its reverse (50011092), we get a palindrome (79022097).

The spelling of 29011005 in words is "twenty-nine million, eleven thousand, five".