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986346961 is a prime number
BaseRepresentation
bin111010110010100…
…111010111010001
32112201222121122221
4322302213113101
54010001100321
6241512501041
733304545055
oct7262472721
92481877587
10986346961
11466849086
122363aa781
13129469972
1494dd5c65
155b8d5e41
hex3aca75d1

986346961 has 2 divisors, whose sum is σ = 986346962. Its totient is φ = 986346960.

The previous prime is 986346947. The next prime is 986346967. The reversal of 986346961 is 169643689.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 982446336 + 3900625 = 31344^2 + 1975^2 .

It is an emirp because it is prime and its reverse (169643689) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-986346961 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 986346899 and 986346908.

It is not a weakly prime, because it can be changed into another prime (986346967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 493173480 + 493173481.

It is an arithmetic number, because the mean of its divisors is an integer number (493173481).

Almost surely, 2986346961 is an apocalyptic number.

It is an amenable number.

986346961 is a deficient number, since it is larger than the sum of its proper divisors (1).

986346961 is an equidigital number, since it uses as much as digits as its factorization.

986346961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1679616, while the sum is 52.

The square root of 986346961 is about 31406.1611948993. The cubic root of 986346961 is about 995.4281167374.

The spelling of 986346961 in words is "nine hundred eighty-six million, three hundred forty-six thousand, nine hundred sixty-one".