28235098 has 4 divisors (see below), whose sum is σ = 42352650. Its totient is φ = 14117548.

The previous prime is 28235087. The next prime is 28235111. The reversal of 28235098 is 89053282.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 89053282 = 2 ⋅44526641.

It can be written as a sum of positive squares in only one way, i.e., 14493249 + 13741849 = 3807^2 + 3707^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7058773 + ... + 7058776.

Almost surely, 2^28235098 is an apocalyptic number.

28235098 is a deficient number, since it is larger than the sum of its proper divisors (14117552).

28235098 is a wasteful number, since it uses less digits than its factorization.

28235098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14117551.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 28235098 is about 5313.6708592083. The cubic root of 28235098 is about 304.5064057834.

It can be divided in two parts, 2823 and 5098, that added together give a square (7921 = 89²).

The spelling of 28235098 in words is "twenty-eight million, two hundred thirty-five thousand, ninety-eight".