28797752 has 8 divisors (see below), whose sum is σ = 53995800. Its totient is φ = 14398872.

The previous prime is 28797731. The next prime is 28797757. The reversal of 28797752 is 25779782.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 28797697 and 28797706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28797757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1799852 + ... + 1799867.

It is an arithmetic number, because the mean of its divisors is an integer number (6749475).

Almost surely, 2^28797752 is an apocalyptic number.

It is an amenable number.

28797752 is a deficient number, since it is larger than the sum of its proper divisors (25198048).

28797752 is a wasteful number, since it uses less digits than its factorization.

28797752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3599725 (or 3599721 counting only the distinct ones).

The product of its digits is 493920, while the sum is 47.

The square root of 28797752 is about 5366.3536968784. The cubic root of 28797752 is about 306.5157974554.

The spelling of 28797752 in words is "twenty-eight million, seven hundred ninety-seven thousand, seven hundred fifty-two".