29439242 has 16 divisors (see below), whose sum is σ = 51036480. Its totient is φ = 12474528.

The previous prime is 29439239. The next prime is 29439247. The reversal of 29439242 is 24293492.

It is not an unprimeable number, because it can be changed into a prime (29439247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10568 + ... + 13059.

It is an arithmetic number, because the mean of its divisors is an integer number (3189780).

Almost surely, 2^29439242 is an apocalyptic number.

29439242 is a deficient number, since it is larger than the sum of its proper divisors (21597238).

29439242 is a wasteful number, since it uses less digits than its factorization.

29439242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23725.

The product of its digits is 31104, while the sum is 35.

The square root of 29439242 is about 5425.7941354239. The cubic root of 29439242 is about 308.7750550894.

The spelling of 29439242 in words is "twenty-nine million, four hundred thirty-nine thousand, two hundred forty-two".