28317086 has 8 divisors (see below), whose sum is σ = 48543600. Its totient is φ = 12135888.

The previous prime is 28317017. The next prime is 28317119. The reversal of 28317086 is 68071382.

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

It is a congruent 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, 1011311 + ... + 1011338.

It is an arithmetic number, because the mean of its divisors is an integer number (6067950).

Almost surely, 2^28317086 is an apocalyptic number.

28317086 is a deficient number, since it is larger than the sum of its proper divisors (20226514).

28317086 is a wasteful number, since it uses less digits than its factorization.

28317086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2022658.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 28317086 is about 5321.3800841511. The cubic root of 28317086 is about 304.8008589863.

The spelling of 28317086 in words is "twenty-eight million, three hundred seventeen thousand, eighty-six".