28485318 has 32 divisors (see below), whose sum is σ = 58849920. Its totient is φ = 9187200.

The previous prime is 28485277. The next prime is 28485329. The reversal of 28485318 is 81358482.

It is a super-2 number, since 2×28485318² = 1622826683122248, which contains 22 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 15 ways as a sum of consecutive naturals, for example, 23118 + ... + 24318.

It is an arithmetic number, because the mean of its divisors is an integer number (1839060).

Almost surely, 2^28485318 is an apocalyptic number.

28485318 is an abundant number, since it is smaller than the sum of its proper divisors (30364602).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28485318 is a wasteful number, since it uses less digits than its factorization.

28485318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1332.

The product of its digits is 61440, while the sum is 39.

The square root of 28485318 is about 5337.1638535837. The cubic root of 28485318 is about 305.4032755599.

The spelling of 28485318 in words is "twenty-eight million, four hundred eighty-five thousand, three hundred eighteen".