28866010 has 12 divisors (see below), whose sum is σ = 51989418. Its totient is φ = 11539608.

The previous prime is 28865999. The next prime is 28866011. The reversal of 28866010 is 1066882.

It can be written as a sum of positive squares in only one way, i.e., 25979409 + 2886601 = 5097^2 + 1699^2 .

It is not an unprimeable number, because it can be changed into a prime (28866011) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16141 + ... + 17839.

Almost surely, 2^28866010 is an apocalyptic number.

28866010 is a deficient number, since it is larger than the sum of its proper divisors (23123408).

28866010 is an frugal number, since it uses more digits than its factorization.

28866010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3405 (or 1706 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 28866010 is about 5372.7097446261. The cubic root of 28866010 is about 306.7577798477.

The spelling of 28866010 in words is "twenty-eight million, eight hundred sixty-six thousand, ten".