28895473 has 2 divisors, whose sum is σ = 28895474. Its totient is φ = 28895472.

The previous prime is 28895453. The next prime is 28895507. The reversal of 28895473 is 37459882.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16136289 + 12759184 = 4017^2 + 3572^2 .

It is a cyclic number.

It is not a de Polignac number, because 28895473 - 2¹⁷ = 28764401 is a prime.

It is not a weakly prime, because it can be changed into another prime (28895423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14447736 + 14447737.

It is an arithmetic number, because the mean of its divisors is an integer number (14447737).

Almost surely, 2^28895473 is an apocalyptic number.

It is an amenable number.

28895473 is a deficient number, since it is larger than the sum of its proper divisors (1).

28895473 is an equidigital number, since it uses as much as digits as its factorization.

28895473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 483840, while the sum is 46.

The square root of 28895473 is about 5375.4509578267. The cubic root of 28895473 is about 306.8621116810.

The spelling of 28895473 in words is "twenty-eight million, eight hundred ninety-five thousand, four hundred seventy-three".