28898098 has 8 divisors (see below), whose sum is σ = 43587180. Its totient is φ = 14369040.

The previous prime is 28898081. The next prime is 28898099. The reversal of 28898098 is 89089882.

It can be written as a sum of positive squares in 2 ways, for example, as 26347689 + 2550409 = 5133^2 + 1597^2 .

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

It is not an unprimeable number, because it can be changed into a prime (28898099) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39553 + ... + 40276.

Almost surely, 2^28898098 is an apocalyptic number.

28898098 is a deficient number, since it is larger than the sum of its proper divisors (14689082).

28898098 is a wasteful number, since it uses less digits than its factorization.

28898098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80012.

The product of its (nonzero) digits is 663552, while the sum is 52.

The square root of 28898098 is about 5375.6951178429. The cubic root of 28898098 is about 306.8714036631.

The spelling of 28898098 in words is "twenty-eight million, eight hundred ninety-eight thousand, ninety-eight".