28895772 has 24 divisors (see below), whose sum is σ = 67510800. Its totient is φ = 9619456.

The previous prime is 28895771. The next prime is 28895773. The reversal of 28895772 is 27759882.

It is an interprime number because it is at equal distance from previous prime (28895771) and next prime (28895773).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28895771) 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, 16054 + ... + 17762.

It is an arithmetic number, because the mean of its divisors is an integer number (2812950).

Almost surely, 2^28895772 is an apocalyptic number.

It is an amenable number.

28895772 is an abundant number, since it is smaller than the sum of its proper divisors (38615028).

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

28895772 is a wasteful number, since it uses less digits than its factorization.

28895772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3125 (or 3123 counting only the distinct ones).

The product of its digits is 564480, while the sum is 48.

The square root of 28895772 is about 5375.4787693749. The cubic root of 28895772 is about 306.8631701104.

The spelling of 28895772 in words is "twenty-eight million, eight hundred ninety-five thousand, seven hundred seventy-two".