28995516 has 48 divisors (see below), whose sum is σ = 82010880. Its totient is φ = 8786160.

The previous prime is 28995503. The next prime is 28995541. The reversal of 28995516 is 61559982.

28995516 is a `hidden beast` number, since 2 + 8 + 99 + 551 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11016 + ... + 13391.

It is an arithmetic number, because the mean of its divisors is an integer number (1708560).

Almost surely, 2^28995516 is an apocalyptic number.

It is an amenable number.

28995516 is an abundant number, since it is smaller than the sum of its proper divisors (53015364).

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

28995516 is a wasteful number, since it uses less digits than its factorization.

28995516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24431 (or 24423 counting only the distinct ones).

The product of its digits is 194400, while the sum is 45.

The square root of 28995516 is about 5384.7484620918. The cubic root of 28995516 is about 307.2158469608.

The spelling of 28995516 in words is "twenty-eight million, nine hundred ninety-five thousand, five hundred sixteen".