29800866 has 8 divisors (see below), whose sum is σ = 59601744. Its totient is φ = 9933620.

The previous prime is 29800861. The next prime is 29800871. The reversal of 29800866 is 66800892.

It is an interprime number because it is at equal distance from previous prime (29800861) and next prime (29800871).

It is a sphenic number, since it is the product of 3 distinct primes.

29800866 is an admirable number.

It is a super-2 number, since 2×29800866² = 1776183228699912, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (29800861) 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, 2483400 + ... + 2483411.

It is an arithmetic number, because the mean of its divisors is an integer number (7450218).

Almost surely, 2^29800866 is an apocalyptic number.

29800866 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

29800866 is a wasteful number, since it uses less digits than its factorization.

29800866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4966816.

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 29800866 is about 5459.0169444690. The cubic root of 29800866 is about 310.0342175202.

The spelling of 29800866 in words is "twenty-nine million, eight hundred thousand, eight hundred sixty-six".