29189738 has 12 divisors (see below), whose sum is σ = 46211490. Its totient is φ = 13826376.

The previous prime is 29189723. The next prime is 29189759. The reversal of 29189738 is 83798192.

It can be written as a sum of positive squares in only one way, i.e., 19598329 + 9591409 = 4427^2 + 3097^2 .

It is a junction number, because it is equal to n+sod(n) for n = 29189692 and 29189701.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19493 + ... + 20936.

Almost surely, 2^29189738 is an apocalyptic number.

29189738 is a deficient number, since it is larger than the sum of its proper divisors (17021752).

29189738 is a wasteful number, since it uses less digits than its factorization.

29189738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40469 (or 40450 counting only the distinct ones).

The product of its digits is 217728, while the sum is 47.

The square root of 29189738 is about 5402.7528168518. The cubic root of 29189738 is about 307.9002670851.

The spelling of 29189738 in words is "twenty-nine million, one hundred eighty-nine thousand, seven hundred thirty-eight".