28488049 has 8 divisors (see below), whose sum is σ = 30280640. Its totient is φ = 26724816.

The previous prime is 28488041. The next prime is 28488067. The reversal of 28488049 is 94088482.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28488049 - 2³ = 28488041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28487996 and 28488014.

It is not an unprimeable number, because it can be changed into a prime (28488041) 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, 5322 + ... + 9235.

It is an arithmetic number, because the mean of its divisors is an integer number (3785080).

Almost surely, 2^28488049 is an apocalyptic number.

It is an amenable number.

28488049 is a deficient number, since it is larger than the sum of its proper divisors (1792591).

28488049 is a wasteful number, since it uses less digits than its factorization.

28488049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14679.

The product of its (nonzero) digits is 147456, while the sum is 43.

The square root of 28488049 is about 5337.4196949462. The cubic root of 28488049 is about 305.4130353210.

The spelling of 28488049 in words is "twenty-eight million, four hundred eighty-eight thousand, forty-nine".