28975210 has 16 divisors (see below), whose sum is σ = 56896992. Its totient is φ = 10536400.

The previous prime is 28975201. The next prime is 28975211. The reversal of 28975210 is 1257982.

It is not an unprimeable number, because it can be changed into a prime (28975211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131596 + ... + 131815.

It is an arithmetic number, because the mean of its divisors is an integer number (3556062).

Almost surely, 2^28975210 is an apocalyptic number.

28975210 is a deficient number, since it is larger than the sum of its proper divisors (27921782).

28975210 is a wasteful number, since it uses less digits than its factorization.

28975210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263429.

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 28975210 is about 5382.8626213196. The cubic root of 28975210 is about 307.1441142394.

The spelling of 28975210 in words is "twenty-eight million, nine hundred seventy-five thousand, two hundred ten".