28571098 has 8 divisors (see below), whose sum is σ = 45112320. Its totient is φ = 13533660.

The previous prime is 28571089. The next prime is 28571113. The reversal of 28571098 is 89017582.

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

It is a self number, because there is not a number n which added to its sum of digits gives 28571098.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 375898 + ... + 375973.

It is an arithmetic number, because the mean of its divisors is an integer number (5639040).

Almost surely, 2^28571098 is an apocalyptic number.

28571098 is a deficient number, since it is larger than the sum of its proper divisors (16541222).

28571098 is a wasteful number, since it uses less digits than its factorization.

28571098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 751892.

The product of its (nonzero) digits is 40320, while the sum is 40.

The square root of 28571098 is about 5345.1939160334. The cubic root of 28571098 is about 305.7095297040.

The spelling of 28571098 in words is "twenty-eight million, five hundred seventy-one thousand, ninety-eight".