29009331 has 12 divisors (see below), whose sum is σ = 45125808. Its totient is φ = 17851824.

The previous prime is 29009311. The next prime is 29009341. The reversal of 29009331 is 13390092.

It is not a de Polignac number, because 29009331 - 2⁷ = 29009203 is a prime.

It is a super-2 number, since 2×29009331² = 1683082570135122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 29009295 and 29009304.

It is not an unprimeable number, because it can be changed into a prime (29009311) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 123855 + ... + 124088.

It is an arithmetic number, because the mean of its divisors is an integer number (3760484).

Almost surely, 2^29009331 is an apocalyptic number.

29009331 is a deficient number, since it is larger than the sum of its proper divisors (16116477).

29009331 is a wasteful number, since it uses less digits than its factorization.

29009331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247962 (or 247959 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 27.

The square root of 29009331 is about 5386.0310990562. The cubic root of 29009331 is about 307.2646305159.

The spelling of 29009331 in words is "twenty-nine million, nine thousand, three hundred thirty-one".