28710098 has 8 divisors (see below), whose sum is σ = 43090380. Its totient is φ = 14346640.

The previous prime is 28710053. The next prime is 28710107. The reversal of 28710098 is 89001782.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 28334329 + 375769 = 5323^2 + 613^2 .

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1748 + ... + 7776.

Almost surely, 2^28710098 is an apocalyptic number.

28710098 is a deficient number, since it is larger than the sum of its proper divisors (14380282).

28710098 is a wasteful number, since it uses less digits than its factorization.

28710098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8412.

The product of its (nonzero) digits is 8064, while the sum is 35.

The square root of 28710098 is about 5358.1804747507. The cubic root of 28710098 is about 306.2044925856.

The spelling of 28710098 in words is "twenty-eight million, seven hundred ten thousand, ninety-eight".