28980710 has 48 divisors (see below), whose sum is σ = 58777488. Its totient is φ = 10274880.

The previous prime is 28980703. The next prime is 28980739. The reversal of 28980710 is 1708982.

It is a happy number.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51752 + ... + 52308.

It is an arithmetic number, because the mean of its divisors is an integer number (1224531).

Almost surely, 2^28980710 is an apocalyptic number.

28980710 is an abundant number, since it is smaller than the sum of its proper divisors (29796778).

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

28980710 is a wasteful number, since it uses less digits than its factorization.

28980710 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629 (or 618 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 35.

The square root of 28980710 is about 5383.3734776625. The cubic root of 28980710 is about 307.1635467790.

The spelling of 28980710 in words is "twenty-eight million, nine hundred eighty thousand, seven hundred ten".