28966700 has 36 divisors (see below), whose sum is σ = 71839152. Its totient is φ = 9931200.

The previous prime is 28966687. The next prime is 28966703. The reversal of 28966700 is 766982.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (28966703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19991 + ... + 21390.

It is an arithmetic number, because the mean of its divisors is an integer number (1995532).

Almost surely, 2^28966700 is an apocalyptic number.

28966700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28966700 is an abundant number, since it is smaller than the sum of its proper divisors (42872452).

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

28966700 is a wasteful number, since it uses less digits than its factorization.

28966700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41402 (or 41395 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 28966700 is about 5382.0720916762. The cubic root of 28966700 is about 307.1140419541.

The spelling of 28966700 in words is "twenty-eight million, nine hundred sixty-six thousand, seven hundred".