29904242 has 8 divisors (see below), whose sum is σ = 44879616. Its totient is φ = 14944372.

The previous prime is 29904239. The next prime is 29904247. The reversal of 29904242 is 24240992.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×29904242³ (a number of 23 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 29904199 and 29904208.

It is not an unprimeable number, because it can be changed into a prime (29904247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5183 + ... + 9309.

It is an arithmetic number, because the mean of its divisors is an integer number (5609952).

Almost surely, 2^29904242 is an apocalyptic number.

29904242 is a deficient number, since it is larger than the sum of its proper divisors (14975374).

29904242 is a wasteful number, since it uses less digits than its factorization.

29904242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7752.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 29904242 is about 5468.4771189061. The cubic root of 29904242 is about 310.3922955828.

The spelling of 29904242 in words is "twenty-nine million, nine hundred four thousand, two hundred forty-two".