28484608 has 22 divisors (see below), whose sum is σ = 56943446. Its totient is φ = 14241792.

The previous prime is 28484597. The next prime is 28484611. The reversal of 28484608 is 80648482.

It can be written as a sum of positive squares in only one way, i.e., 24920064 + 3564544 = 4992^2 + 1888^2 .

It is a super-2 number, since 2×28484608² = 1622745785827328, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12885 + ... + 14932.

Almost surely, 2^28484608 is an apocalyptic number.

It is an amenable number.

28484608 is a deficient number, since it is larger than the sum of its proper divisors (28458838).

28484608 is an equidigital number, since it uses as much as digits as its factorization.

28484608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27837 (or 27819 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 40.

The square root of 28484608 is about 5337.0973384416. The cubic root of 28484608 is about 305.4007381343.

It can be divided in two parts, 28484 and 608, that added together give a palindrome (29092).

The spelling of 28484608 in words is "twenty-eight million, four hundred eighty-four thousand, six hundred eight".