28501298 has 8 divisors (see below), whose sum is σ = 48859392. Its totient is φ = 12214836.

The previous prime is 28501241. The next prime is 28501327. The reversal of 28501298 is 89210582.

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

It is a Curzon number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1017890 + ... + 1017917.

It is an arithmetic number, because the mean of its divisors is an integer number (6107424).

Almost surely, 2^28501298 is an apocalyptic number.

28501298 is a deficient number, since it is larger than the sum of its proper divisors (20358094).

28501298 is a wasteful number, since it uses less digits than its factorization.

28501298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2035816.

The product of its (nonzero) digits is 11520, while the sum is 35.

The square root of 28501298 is about 5338.6606934699. The cubic root of 28501298 is about 305.4603743552.

The spelling of 28501298 in words is "twenty-eight million, five hundred one thousand, two hundred ninety-eight".