894368647 has 2 divisors, whose sum is σ = 894368648. Its totient is φ = 894368646.

The previous prime is 894368617. The next prime is 894368663. The reversal of 894368647 is 746863498.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 894368647 - 2¹⁵ = 894335879 is a prime.

It is a super-2 number, since 2×894368647² = 1599790553473221218, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (894368617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 447184323 + 447184324.

It is an arithmetic number, because the mean of its divisors is an integer number (447184324).

Almost surely, 2^894368647 is an apocalyptic number.

894368647 is a deficient number, since it is larger than the sum of its proper divisors (1).

894368647 is an equidigital number, since it uses as much as digits as its factorization.

894368647 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6967296, while the sum is 55.

The square root of 894368647 is about 29905.9968400988. The cubic root of 894368647 is about 963.4714620029.

The spelling of 894368647 in words is "eight hundred ninety-four million, three hundred sixty-eight thousand, six hundred forty-seven".