28456098 has 16 divisors (see below), whose sum is σ = 62086176. Its totient is φ = 8623040.

The previous prime is 28456097. The next prime is 28456111. The reversal of 28456098 is 89065482.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (28456097) 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, 215511 + ... + 215642.

It is an arithmetic number, because the mean of its divisors is an integer number (3880386).

Almost surely, 2^28456098 is an apocalyptic number.

28456098 is an abundant number, since it is smaller than the sum of its proper divisors (33630078).

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

28456098 is a wasteful number, since it uses less digits than its factorization.

28456098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431169.

The product of its (nonzero) digits is 138240, while the sum is 42.

The square root of 28456098 is about 5334.4257422894. The cubic root of 28456098 is about 305.2988131277.

The spelling of 28456098 in words is "twenty-eight million, four hundred fifty-six thousand, ninety-eight".