28363441 has 2 divisors, whose sum is σ = 28363442. Its totient is φ = 28363440.

The previous prime is 28363417. The next prime is 28363457. The reversal of 28363441 is 14436382.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25401600 + 2961841 = 5040^2 + 1721^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28363441 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (28363241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14181720 + 14181721.

It is an arithmetic number, because the mean of its divisors is an integer number (14181721).

Almost surely, 2^28363441 is an apocalyptic number.

It is an amenable number.

28363441 is a deficient number, since it is larger than the sum of its proper divisors (1).

28363441 is an equidigital number, since it uses as much as digits as its factorization.

28363441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13824, while the sum is 31.

The square root of 28363441 is about 5325.7338461474. The cubic root of 28363441 is about 304.9670877323.

The spelling of 28363441 in words is "twenty-eight million, three hundred sixty-three thousand, four hundred forty-one".