3960769 has 2 divisors, whose sum is σ = 3960770. Its totient is φ = 3960768.

The previous prime is 3960757. The next prime is 3960799. The reversal of 3960769 is 9670693.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3470769 + 490000 = 1863^2 + 700^2 .

It is a cyclic number.

It is not a de Polignac number, because 3960769 - 2¹⁹ = 3436481 is a prime.

It is a super-2 number, since 2×3960769² = 31375382142722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3960799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1980384 + 1980385.

It is an arithmetic number, because the mean of its divisors is an integer number (1980385).

Almost surely, 2^3960769 is an apocalyptic number.

It is an amenable number.

3960769 is a deficient number, since it is larger than the sum of its proper divisors (1).

3960769 is an equidigital number, since it uses as much as digits as its factorization.

3960769 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 61236, while the sum is 40.

The square root of 3960769 is about 1990.1680833538. The cubic root of 3960769 is about 158.2194381891.

The spelling of 3960769 in words is "three million, nine hundred sixty thousand, seven hundred sixty-nine".