29140432 has 40 divisors (see below), whose sum is σ = 58313480. Its totient is φ = 14100480.

The previous prime is 29140427. The next prime is 29140439. The reversal of 29140432 is 23404192.

It can be written as a sum of positive squares in 4 ways, for example, as 3779136 + 25361296 = 1944^2 + 5036^2 .

It is a junction number, because it is equal to n+sod(n) for n = 29140397 and 29140406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29140439) 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 7 ways as a sum of consecutive naturals, for example, 71044 + ... + 71452.

It is an arithmetic number, because the mean of its divisors is an integer number (1457837).

Almost surely, 2^29140432 is an apocalyptic number.

It is an amenable number.

29140432 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

29140432 is a wasteful number, since it uses less digits than its factorization.

29140432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551 (or 545 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 29140432 is about 5398.1878440825. The cubic root of 29140432 is about 307.7268055936.

The spelling of 29140432 in words is "twenty-nine million, one hundred forty thousand, four hundred thirty-two".