28995768 has 48 divisors (see below), whose sum is σ = 78886080. Its totient is φ = 9621504.

The previous prime is 28995739. The next prime is 28995809. The reversal of 28995768 is 86759982.

It is a happy number.

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 11 ways as a sum of consecutive naturals, for example, 17721 + ... + 19287.

It is an arithmetic number, because the mean of its divisors is an integer number (1643460).

Almost surely, 2^28995768 is an apocalyptic number.

It is an amenable number.

28995768 is an abundant number, since it is smaller than the sum of its proper divisors (49890312).

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

28995768 is a wasteful number, since it uses less digits than its factorization.

28995768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1836 (or 1829 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 54.

The square root of 28995768 is about 5384.7718614627. The cubic root of 28995768 is about 307.2167369625.

The spelling of 28995768 in words is "twenty-eight million, nine hundred ninety-five thousand, seven hundred sixty-eight".