28579750 has 16 divisors (see below), whose sum is σ = 53501760. Its totient is φ = 11431800.

The previous prime is 28579741. The next prime is 28579753. The reversal of 28579750 is 5797582.

It is a super-2 number, since 2×28579750² = 1633604220125000, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 28579697 and 28579706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28579753) 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, 56910 + ... + 57409.

It is an arithmetic number, because the mean of its divisors is an integer number (3343860).

Almost surely, 2^28579750 is an apocalyptic number.

28579750 is a deficient number, since it is larger than the sum of its proper divisors (24922010).

28579750 is a wasteful number, since it uses less digits than its factorization.

28579750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114336 (or 114326 counting only the distinct ones).

The product of its (nonzero) digits is 176400, while the sum is 43.

The square root of 28579750 is about 5346.0031799467. The cubic root of 28579750 is about 305.7403852666.

The spelling of 28579750 in words is "twenty-eight million, five hundred seventy-nine thousand, seven hundred fifty".