28988710 has 8 divisors (see below), whose sum is σ = 52179696. Its totient is φ = 11595480.

The previous prime is 28988683. The next prime is 28988711. The reversal of 28988710 is 1788982.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28988711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1449426 + ... + 1449445.

It is an arithmetic number, because the mean of its divisors is an integer number (6522462).

Almost surely, 2^28988710 is an apocalyptic number.

28988710 is a deficient number, since it is larger than the sum of its proper divisors (23190986).

28988710 is a wasteful number, since it uses less digits than its factorization.

28988710 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2898878.

The product of its (nonzero) digits is 64512, while the sum is 43.

The square root of 28988710 is about 5384.1164549070. The cubic root of 28988710 is about 307.1918079028.

The spelling of 28988710 in words is "twenty-eight million, nine hundred eighty-eight thousand, seven hundred ten".