28136098 has 16 divisors (see below), whose sum is σ = 43220736. Its totient is φ = 13733280.

The previous prime is 28136083. The next prime is 28136099. The reversal of 28136098 is 89063182.

It is not an unprimeable number, because it can be changed into a prime (28136099) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14103 + ... + 15973.

It is an arithmetic number, because the mean of its divisors is an integer number (2701296).

Almost surely, 2^28136098 is an apocalyptic number.

28136098 is a deficient number, since it is larger than the sum of its proper divisors (15084638).

28136098 is a wasteful number, since it uses less digits than its factorization.

28136098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2049.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 28136098 is about 5304.3470851746. The cubic root of 28136098 is about 304.1500946831.

It can be divided in two parts, 2813 and 6098, that added together give a triangular number (8911 = T₁₃₃).

The spelling of 28136098 in words is "twenty-eight million, one hundred thirty-six thousand, ninety-eight".