28614617 has 2 divisors, whose sum is σ = 28614618. Its totient is φ = 28614616.

The previous prime is 28614611. The next prime is 28614629. The reversal of 28614617 is 71641682.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14318656 + 14295961 = 3784^2 + 3781^2 .

It is a cyclic number.

It is not a de Polignac number, because 28614617 - 2⁴ = 28614601 is a prime.

It is not a weakly prime, because it can be changed into another prime (28614611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14307308 + 14307309.

It is an arithmetic number, because the mean of its divisors is an integer number (14307309).

Almost surely, 2^28614617 is an apocalyptic number.

It is an amenable number.

28614617 is a deficient number, since it is larger than the sum of its proper divisors (1).

28614617 is an equidigital number, since it uses as much as digits as its factorization.

28614617 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16128, while the sum is 35.

The square root of 28614617 is about 5349.2632202949. The cubic root of 28614617 is about 305.8646681104.

The spelling of 28614617 in words is "twenty-eight million, six hundred fourteen thousand, six hundred seventeen".