28526098 has 4 divisors (see below), whose sum is σ = 42789150. Its totient is φ = 14263048.

The previous prime is 28526089. The next prime is 28526123. The reversal of 28526098 is 89062582.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 19864849 + 8661249 = 4457^2 + 2943^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 28526098.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 7131523 + ... + 7131526.

Almost surely, 2^28526098 is an apocalyptic number.

28526098 is a deficient number, since it is larger than the sum of its proper divisors (14263052).

28526098 is a wasteful number, since it uses less digits than its factorization.

28526098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14263051.

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 28526098 is about 5340.9828683492. The cubic root of 28526098 is about 305.5489460070.

The spelling of 28526098 in words is "twenty-eight million, five hundred twenty-six thousand, ninety-eight".