29890912 has 24 divisors (see below), whose sum is σ = 59119200. Its totient is φ = 14876544.

The previous prime is 29890907. The next prime is 29890921. The reversal of 29890912 is 21909892.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5289 + ... + 9367.

It is an arithmetic number, because the mean of its divisors is an integer number (2463300).

Almost surely, 2^29890912 is an apocalyptic number.

It is an amenable number.

29890912 is a deficient number, since it is larger than the sum of its proper divisors (29228288).

29890912 is a wasteful number, since it uses less digits than its factorization.

29890912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4318 (or 4310 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 40.

The square root of 29890912 is about 5467.2581793802. The cubic root of 29890912 is about 310.3461689694.

The spelling of 29890912 in words is "twenty-nine million, eight hundred ninety thousand, nine hundred twelve".