28317098 has 4 divisors (see below), whose sum is σ = 42475650. Its totient is φ = 14158548.

The previous prime is 28317017. The next prime is 28317119. The reversal of 28317098 is 89071382.

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., 23551609 + 4765489 = 4853^2 + 2183^2 .

It is a Curzon number.

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, 7079273 + ... + 7079276.

Almost surely, 2^28317098 is an apocalyptic number.

28317098 is a deficient number, since it is larger than the sum of its proper divisors (14158552).

28317098 is a wasteful number, since it uses less digits than its factorization.

28317098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14158551.

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 28317098 is about 5321.3812116780. The cubic root of 28317098 is about 304.8009020417.

The spelling of 28317098 in words is "twenty-eight million, three hundred seventeen thousand, ninety-eight".