28664710 has 16 divisors (see below), whose sum is σ = 52055136. Its totient is φ = 11363968.

The previous prime is 28664687. The next prime is 28664723. The reversal of 28664710 is 1746682.

It is a super-3 number, since 3×28664710³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 11554 + ... + 13813.

It is an arithmetic number, because the mean of its divisors is an integer number (3253446).

Almost surely, 2^28664710 is an apocalyptic number.

28664710 is a deficient number, since it is larger than the sum of its proper divisors (23390426).

28664710 is a wasteful number, since it uses less digits than its factorization.

28664710 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25487.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 28664710 is about 5353.9434064995. The cubic root of 28664710 is about 306.0430471856.

The spelling of 28664710 in words is "twenty-eight million, six hundred sixty-four thousand, seven hundred ten".