28480468 has 24 divisors (see below), whose sum is σ = 52708320. Its totient is φ = 13428000.

The previous prime is 28480429. The next prime is 28480469. The reversal of 28480468 is 86408482.

It is a super-2 number, since 2×28480468² = 1622274114998048, which contains 22 as substring.

It is a plaindrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 28480468.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28480469) 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 7 ways as a sum of consecutive naturals, for example, 18330 + ... + 19822.

It is an arithmetic number, because the mean of its divisors is an integer number (2196180).

Almost surely, 2^28480468 is an apocalyptic number.

It is an amenable number.

28480468 is a deficient number, since it is larger than the sum of its proper divisors (24227852).

28480468 is a wasteful number, since it uses less digits than its factorization.

28480468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1767 (or 1765 counting only the distinct ones).

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

The square root of 28480468 is about 5336.7094730742. The cubic root of 28480468 is about 305.3859416014.

The spelling of 28480468 in words is "twenty-eight million, four hundred eighty thousand, four hundred sixty-eight".