28129010 has 32 divisors (see below), whose sum is σ = 62318592. Its totient is φ = 8902080.

The previous prime is 28129007. The next prime is 28129021. The reversal of 28129010 is 1092182.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14546 + ... + 16365.

It is an arithmetic number, because the mean of its divisors is an integer number (1947456).

Almost surely, 2^28129010 is an apocalyptic number.

28129010 is an abundant number, since it is smaller than the sum of its proper divisors (34189582).

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

28129010 is a wasteful number, since it uses less digits than its factorization.

28129010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30938.

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 28129010 is about 5303.6789118498. The cubic root of 28129010 is about 304.1245522059.

The spelling of 28129010 in words is "twenty-eight million, one hundred twenty-nine thousand, ten".