28617752 has 16 divisors (see below), whose sum is σ = 54394440. Its totient is φ = 14112576.

The previous prime is 28617733. The next prime is 28617763. The reversal of 28617752 is 25771682.

It is a congruent number.

It is an unprimeable number.

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, 23918 + ... + 25085.

Almost surely, 2^28617752 is an apocalyptic number.

It is an amenable number.

28617752 is a deficient number, since it is larger than the sum of its proper divisors (25776688).

28617752 is a wasteful number, since it uses less digits than its factorization.

28617752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49082 (or 49078 counting only the distinct ones).

The product of its digits is 47040, while the sum is 38.

The square root of 28617752 is about 5349.5562432785. The cubic root of 28617752 is about 305.8758378181.

The spelling of 28617752 in words is "twenty-eight million, six hundred seventeen thousand, seven hundred fifty-two".