28716484 has 12 divisors (see below), whose sum is σ = 50334508. Its totient is φ = 14335200.

The previous prime is 28716481. The next prime is 28716487. The reversal of 28716484 is 48461782.

It is an interprime number because it is at equal distance from previous prime (28716481) and next prime (28716487).

It can be written as a sum of positive squares in 2 ways, for example, as 17305600 + 11410884 = 4160^2 + 3378^2 .

It is not an unprimeable number, because it can be changed into a prime (28716481) 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, 2787 + ... + 8074.

Almost surely, 2^28716484 is an apocalyptic number.

It is an amenable number.

28716484 is a deficient number, since it is larger than the sum of its proper divisors (21618024).

28716484 is a wasteful number, since it uses less digits than its factorization.

28716484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11526 (or 11524 counting only the distinct ones).

The product of its digits is 86016, while the sum is 40.

The square root of 28716484 is about 5358.7763528627. The cubic root of 28716484 is about 306.2271939702.

The spelling of 28716484 in words is "twenty-eight million, seven hundred sixteen thousand, four hundred eighty-four".