29427904 has 28 divisors (see below), whose sum is σ = 63706248. Its totient is φ = 13376000.

The previous prime is 29427887. The next prime is 29427907. The reversal of 29427904 is 40972492.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29427907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20197 + ... + 21604.

Almost surely, 2^29427904 is an apocalyptic number.

It is an amenable number.

29427904 is an abundant number, since it is smaller than the sum of its proper divisors (34278344).

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

29427904 is a wasteful number, since it uses less digits than its factorization.

29427904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41824 (or 41814 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 29427904 is about 5424.7492107931. The cubic root of 29427904 is about 308.7354102609.

The spelling of 29427904 in words is "twenty-nine million, four hundred twenty-seven thousand, nine hundred four".