28374317 has 2 divisors, whose sum is σ = 28374318. Its totient is φ = 28374316.

The previous prime is 28374293. The next prime is 28374329. The reversal of 28374317 is 71347382.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27237961 + 1136356 = 5219^2 + 1066^2 .

It is a cyclic number.

It is not a de Polignac number, because 28374317 - 2⁸ = 28374061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28374347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14187158 + 14187159.

It is an arithmetic number, because the mean of its divisors is an integer number (14187159).

Almost surely, 2^28374317 is an apocalyptic number.

It is an amenable number.

28374317 is a deficient number, since it is larger than the sum of its proper divisors (1).

28374317 is an equidigital number, since it uses as much as digits as its factorization.

28374317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28224, while the sum is 35.

The square root of 28374317 is about 5326.7548282233. The cubic root of 28374317 is about 305.0060627658.

The spelling of 28374317 in words is "twenty-eight million, three hundred seventy-four thousand, three hundred seventeen".