28792617 has 16 divisors (see below), whose sum is σ = 44405760. Its totient is φ = 16253712.

The previous prime is 28792591. The next prime is 28792627. The reversal of 28792617 is 71629782.

It is not a de Polignac number, because 28792617 - 2⁶ = 28792553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28792627) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6517 + ... + 10002.

It is an arithmetic number, because the mean of its divisors is an integer number (2775360).

Almost surely, 2^28792617 is an apocalyptic number.

It is an amenable number.

28792617 is a deficient number, since it is larger than the sum of its proper divisors (15613143).

28792617 is a wasteful number, since it uses less digits than its factorization.

28792617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16612.

The product of its digits is 84672, while the sum is 42.

The square root of 28792617 is about 5365.8752314977. The cubic root of 28792617 is about 306.4975778368.

The spelling of 28792617 in words is "twenty-eight million, seven hundred ninety-two thousand, six hundred seventeen".