29899808 has 24 divisors (see below), whose sum is σ = 59024700. Its totient is φ = 14909440.

The previous prime is 29899801. The next prime is 29899813. The reversal of 29899808 is 80899892.

It can be written as a sum of positive squares in 2 ways, for example, as 29899024 + 784 = 5468^2 + 28^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 29899808.

It is not an unprimeable number, because it can be changed into a prime (29899801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13328 + ... + 15408.

Almost surely, 2^29899808 is an apocalyptic number.

It is an amenable number.

29899808 is a deficient number, since it is larger than the sum of its proper divisors (29124892).

29899808 is a wasteful number, since it uses less digits than its factorization.

29899808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2540 (or 2532 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 53.

The square root of 29899808 is about 5468.0716893618. The cubic root of 29899808 is about 310.3769538634.

The spelling of 29899808 in words is "twenty-nine million, eight hundred ninety-nine thousand, eight hundred eight".