27884401 has 2 divisors, whose sum is σ = 27884402. Its totient is φ = 27884400.

The previous prime is 27884377. The next prime is 27884411. The reversal of 27884401 is 10448872.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23040000 + 4844401 = 4800^2 + 2201^2 .

It is a cyclic number.

It is not a de Polignac number, because 27884401 - 2¹⁵ = 27851633 is a prime.

It is not a weakly prime, because it can be changed into another prime (27884411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13942200 + 13942201.

It is an arithmetic number, because the mean of its divisors is an integer number (13942201).

Almost surely, 2^27884401 is an apocalyptic number.

It is an amenable number.

27884401 is a deficient number, since it is larger than the sum of its proper divisors (1).

27884401 is an equidigital number, since it uses as much as digits as its factorization.

27884401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14336, while the sum is 34.

The square root of 27884401 is about 5280.5682459372. The cubic root of 27884401 is about 303.2404319078.

The spelling of 27884401 in words is "twenty-seven million, eight hundred eighty-four thousand, four hundred one".