29929812 has 24 divisors (see below), whose sum is σ = 76185312. Its totient is φ = 9069600.

The previous prime is 29929793. The next prime is 29929817. The reversal of 29929812 is 21892992.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29929817) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 113239 + ... + 113502.

It is an arithmetic number, because the mean of its divisors is an integer number (3174388).

Almost surely, 2^29929812 is an apocalyptic number.

29929812 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

29929812 is an abundant number, since it is smaller than the sum of its proper divisors (46255500).

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

29929812 is a wasteful number, since it uses less digits than its factorization.

29929812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226759 (or 226757 counting only the distinct ones).

The product of its digits is 46656, while the sum is 42.

The square root of 29929812 is about 5470.8145645781. The cubic root of 29929812 is about 310.4807386643.

The spelling of 29929812 in words is "twenty-nine million, nine hundred twenty-nine thousand, eight hundred twelve".