28717083 has 6 divisors (see below), whose sum is σ = 41480244. Its totient is φ = 19144716.

The previous prime is 28717081. The next prime is 28717103. The reversal of 28717083 is 38071782.

It is not a de Polignac number, because 28717083 - 2¹ = 28717081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28717081) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1595385 + ... + 1595402.

It is an arithmetic number, because the mean of its divisors is an integer number (6913374).

Almost surely, 2^28717083 is an apocalyptic number.

28717083 is a deficient number, since it is larger than the sum of its proper divisors (12763161).

28717083 is a wasteful number, since it uses less digits than its factorization.

28717083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3190793 (or 3190790 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 36.

The square root of 28717083 is about 5358.8322421961. The cubic root of 28717083 is about 306.2293231632.

The spelling of 28717083 in words is "twenty-eight million, seven hundred seventeen thousand, eighty-three".