29421906 has 32 divisors (see below), whose sum is σ = 60749568. Its totient is φ = 9494400.

The previous prime is 29421881. The next prime is 29421913. The reversal of 29421906 is 60912492.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27966 + ... + 28998.

It is an arithmetic number, because the mean of its divisors is an integer number (1898424).

Almost surely, 2^29421906 is an apocalyptic number.

29421906 is an abundant number, since it is smaller than the sum of its proper divisors (31327662).

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

29421906 is a wasteful number, since it uses less digits than its factorization.

29421906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1186.

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 29421906 is about 5424.1963460037. The cubic root of 29421906 is about 308.7144333358.

The spelling of 29421906 in words is "twenty-nine million, four hundred twenty-one thousand, nine hundred six".