29421908 has 6 divisors (see below), whose sum is σ = 51488346. Its totient is φ = 14710952.

The previous prime is 29421881. The next prime is 29421913. The reversal of 29421908 is 80912492.

It can be written as a sum of positive squares in only one way, i.e., 16662724 + 12759184 = 4082^2 + 3572^2 .

It is a congruent number.

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 as a sum of consecutive naturals, namely, 3677735 + ... + 3677742.

It is an arithmetic number, because the mean of its divisors is an integer number (8581391).

Almost surely, 2^29421908 is an apocalyptic number.

It is an amenable number.

29421908 is a deficient number, since it is larger than the sum of its proper divisors (22066438).

29421908 is a wasteful number, since it uses less digits than its factorization.

29421908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7355481 (or 7355479 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 29421908 is about 5424.1965303628. The cubic root of 29421908 is about 308.7144403309.

The spelling of 29421908 in words is "twenty-nine million, four hundred twenty-one thousand, nine hundred eight".