28514884 has 12 divisors (see below), whose sum is σ = 49950208. Its totient is φ = 14243400.

The previous prime is 28514881. The next prime is 28514887. The reversal of 28514884 is 48841582.

It is an interprime number because it is at equal distance from previous prime (28514881) and next prime (28514887).

It is not an unprimeable number, because it can be changed into a prime (28514881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2029 + ... + 7819.

Almost surely, 2^28514884 is an apocalyptic number.

It is an amenable number.

28514884 is a deficient number, since it is larger than the sum of its proper divisors (21435324).

28514884 is a wasteful number, since it uses less digits than its factorization.

28514884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7026 (or 7024 counting only the distinct ones).

The product of its digits is 81920, while the sum is 40.

The square root of 28514884 is about 5339.9329583807. The cubic root of 28514884 is about 305.5089022668.

The spelling of 28514884 in words is "twenty-eight million, five hundred fourteen thousand, eight hundred eighty-four".