28857098 has 16 divisors (see below), whose sum is σ = 44343936. Its totient is φ = 14080080.

The previous prime is 28857091. The next prime is 28857113. The reversal of 28857098 is 89075882.

It is not an unprimeable number, because it can be changed into a prime (28857091) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 13640 + ... + 15612.

It is an arithmetic number, because the mean of its divisors is an integer number (2771496).

Almost surely, 2^28857098 is an apocalyptic number.

28857098 is a deficient number, since it is larger than the sum of its proper divisors (15486838).

28857098 is a wasteful number, since it uses less digits than its factorization.

28857098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2149.

The product of its (nonzero) digits is 322560, while the sum is 47.

The square root of 28857098 is about 5371.8803039532. The cubic root of 28857098 is about 306.7262074582.

The spelling of 28857098 in words is "twenty-eight million, eight hundred fifty-seven thousand, ninety-eight".