28863498 has 8 divisors (see below), whose sum is σ = 57727008. Its totient is φ = 9621164.

The previous prime is 28863491. The next prime is 28863509. The reversal of 28863498 is 89436882.

It is a happy number.

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

28863498 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (28863491) 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 3 ways as a sum of consecutive naturals, for example, 2405286 + ... + 2405297.

It is an arithmetic number, because the mean of its divisors is an integer number (7215876).

Almost surely, 2^28863498 is an apocalyptic number.

28863498 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28863498 is a wasteful number, since it uses less digits than its factorization.

28863498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4810588.

The product of its digits is 663552, while the sum is 48.

The square root of 28863498 is about 5372.4759655116. The cubic root of 28863498 is about 306.7488812862.

The spelling of 28863498 in words is "twenty-eight million, eight hundred sixty-three thousand, four hundred ninety-eight".