28836717 has 32 divisors (see below), whose sum is σ = 48238848. Its totient is φ = 14916096.

The previous prime is 28836697. The next prime is 28836751. The reversal of 28836717 is 71763882.

It is not a de Polignac number, because 28836717 - 2⁷ = 28836589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28836757) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13473 + ... + 15465.

It is an arithmetic number, because the mean of its divisors is an integer number (1507464).

Almost surely, 2^28836717 is an apocalyptic number.

It is an amenable number.

28836717 is a deficient number, since it is larger than the sum of its proper divisors (19402131).

28836717 is a wasteful number, since it uses less digits than its factorization.

28836717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2069.

The product of its digits is 112896, while the sum is 42.

The square root of 28836717 is about 5369.9829608668. The cubic root of 28836717 is about 306.6539796001.

The spelling of 28836717 in words is "twenty-eight million, eight hundred thirty-six thousand, seven hundred seventeen".