29542638 has 16 divisors (see below), whose sum is σ = 59138640. Its totient is φ = 9838656.

The previous prime is 29542637. The next prime is 29542679. The reversal of 29542638 is 83624592.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 29542596 and 29542605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29542633) 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, 11356 + ... + 13712.

It is an arithmetic number, because the mean of its divisors is an integer number (3696165).

Almost surely, 2^29542638 is an apocalyptic number.

29542638 is an abundant number, since it is smaller than the sum of its proper divisors (29596002).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

29542638 is a wasteful number, since it uses less digits than its factorization.

29542638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4451.

The product of its digits is 103680, while the sum is 39.

The square root of 29542638 is about 5435.3139743717. The cubic root of 29542638 is about 309.1361241865.

The spelling of 29542638 in words is "twenty-nine million, five hundred forty-two thousand, six hundred thirty-eight".