29185429 has 12 divisors (see below), whose sum is σ = 36562764. Its totient is φ = 23091264.

The previous prime is 29185417. The next prime is 29185439. The reversal of 29185429 is 92458192.

It can be written as a sum of positive squares in 2 ways, for example, as 15421329 + 13764100 = 3927^2 + 3710^2 .

It is a de Polignac number, because none of the positive numbers 2^k-29185429 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 29185391 and 29185400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29185439) 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, 22272 + ... + 23545.

It is an arithmetic number, because the mean of its divisors is an integer number (3046897).

Almost surely, 2^29185429 is an apocalyptic number.

It is an amenable number.

29185429 is a deficient number, since it is larger than the sum of its proper divisors (7377335).

29185429 is a wasteful number, since it uses less digits than its factorization.

29185429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45844 (or 45837 counting only the distinct ones).

The product of its digits is 51840, while the sum is 40.

The square root of 29185429 is about 5402.3540239418. The cubic root of 29185429 is about 307.8851155555.

The spelling of 29185429 in words is "twenty-nine million, one hundred eighty-five thousand, four hundred twenty-nine".