29805028 has 12 divisors (see below), whose sum is σ = 56900592. Its totient is φ = 13547720.

The previous prime is 29805023. The next prime is 29805047. The reversal of 29805028 is 82050892.

It is a junction number, because it is equal to n+sod(n) for n = 29804984 and 29805002.

It is not an unprimeable number, because it can be changed into a prime (29805023) 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 3 ways as a sum of consecutive naturals, for example, 338650 + ... + 338737.

It is an arithmetic number, because the mean of its divisors is an integer number (4741716).

Almost surely, 2^29805028 is an apocalyptic number.

It is an amenable number.

29805028 is a deficient number, since it is larger than the sum of its proper divisors (27095564).

29805028 is a wasteful number, since it uses less digits than its factorization.

29805028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677402 (or 677400 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 29805028 is about 5459.3981353259. The cubic root of 29805028 is about 310.0486500130.

It can be divided in two parts, 2980 and 5028, that added together give a palindrome (8008).

The spelling of 29805028 in words is "twenty-nine million, eight hundred five thousand, twenty-eight".