28836173 has 2 divisors, whose sum is σ = 28836174. Its totient is φ = 28836172.

The previous prime is 28836163. The next prime is 28836193. The reversal of 28836173 is 37163882.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28536964 + 299209 = 5342^2 + 547^2 .

It is a cyclic number.

It is not a de Polignac number, because 28836173 - 2²⁴ = 12058957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28836163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14418086 + 14418087.

It is an arithmetic number, because the mean of its divisors is an integer number (14418087).

Almost surely, 2^28836173 is an apocalyptic number.

It is an amenable number.

28836173 is a deficient number, since it is larger than the sum of its proper divisors (1).

28836173 is an equidigital number, since it uses as much as digits as its factorization.

28836173 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48384, while the sum is 38.

The square root of 28836173 is about 5369.9323086981. The cubic root of 28836173 is about 306.6520512621.

The spelling of 28836173 in words is "twenty-eight million, eight hundred thirty-six thousand, one hundred seventy-three".