29800835 has 24 divisors (see below), whose sum is σ = 39090480. Its totient is φ = 21748608.

The previous prime is 29800831. The next prime is 29800843. The reversal of 29800835 is 53800892.

It is not a de Polignac number, because 29800835 - 2² = 29800831 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 29800795 and 29800804.

It is not an unprimeable number, because it can be changed into a prime (29800831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 79709 + ... + 80081.

It is an arithmetic number, because the mean of its divisors is an integer number (1628770).

Almost surely, 2^29800835 is an apocalyptic number.

29800835 is a deficient number, since it is larger than the sum of its proper divisors (9289645).

29800835 is a wasteful number, since it uses less digits than its factorization.

29800835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455 (or 426 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 29800835 is about 5459.0141051292. The cubic root of 29800835 is about 310.0341100170.

The spelling of 29800835 in words is "twenty-nine million, eight hundred thousand, eight hundred thirty-five".