29439442 has 4 divisors (see below), whose sum is σ = 44159166. Its totient is φ = 14719720.

The previous prime is 29439419. The next prime is 29439481. The reversal of 29439442 is 24493492.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 21150801 + 8288641 = 4599^2 + 2879^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7359859 + ... + 7359862.

Almost surely, 2^29439442 is an apocalyptic number.

29439442 is a deficient number, since it is larger than the sum of its proper divisors (14719724).

29439442 is a wasteful number, since it uses less digits than its factorization.

29439442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14719723.

The product of its digits is 62208, while the sum is 37.

The square root of 29439442 is about 5425.8125658744. The cubic root of 29439442 is about 308.7757543247.

The spelling of 29439442 in words is "twenty-nine million, four hundred thirty-nine thousand, four hundred forty-two".