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768841 is a prime number
BaseRepresentation
bin10111011101101001001
31110001122121
42323231021
5144100331
624251241
76351343
oct2735511
91401577
10768841
11485707
12310b21
1320bc48
14160293
15102c11
hexbbb49

768841 has 2 divisors, whose sum is σ = 768842. Its totient is φ = 768840.

The previous prime is 768811. The next prime is 768851. The reversal of 768841 is 148867.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 739600 + 29241 = 860^2 + 171^2 .

It is an emirp because it is prime and its reverse (148867) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 768841 - 29 = 768329 is a prime.

It is a super-2 number, since 2×7688412 = 1182232966562, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 768797 and 768806.

It is not a weakly prime, because it can be changed into another prime (768811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 384420 + 384421.

It is an arithmetic number, because the mean of its divisors is an integer number (384421).

2768841 is an apocalyptic number.

It is an amenable number.

768841 is a deficient number, since it is larger than the sum of its proper divisors (1).

768841 is an equidigital number, since it uses as much as digits as its factorization.

768841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10752, while the sum is 34.

The square root of 768841 is about 876.8357885032. The cubic root of 768841 is about 91.6105544559.

The spelling of 768841 in words is "seven hundred sixty-eight thousand, eight hundred forty-one".