6986761 has 2 divisors, whose sum is σ = 6986762. Its totient is φ = 6986760.

The previous prime is 6986753. The next prime is 6986773. The reversal of 6986761 is 1676896.

6986761 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6969600 + 17161 = 2640^2 + 131^2 .

It is a cyclic number.

It is not a de Polignac number, because 6986761 - 2³ = 6986753 is a prime.

It is a super-2 number, since 2×6986761² = 97629658542242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6986731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3493380 + 3493381.

It is an arithmetic number, because the mean of its divisors is an integer number (3493381).

Almost surely, 2^6986761 is an apocalyptic number.

It is an amenable number.

6986761 is a deficient number, since it is larger than the sum of its proper divisors (1).

6986761 is an equidigital number, since it uses as much as digits as its factorization.

6986761 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108864, while the sum is 43.

The square root of 6986761 is about 2643.2481911466. The cubic root of 6986761 is about 191.1724455224.

The spelling of 6986761 in words is "six million, nine hundred eighty-six thousand, seven hundred sixty-one".