3984769 has 2 divisors, whose sum is σ = 3984770. Its totient is φ = 3984768.

The previous prime is 3984751. The next prime is 3984781. The reversal of 3984769 is 9674893.

3984769 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3240000 + 744769 = 1800^2 + 863^2 .

It is a cyclic number.

It is not a de Polignac number, because 3984769 - 2¹¹ = 3982721 is a prime.

It is a super-2 number, since 2×3984769² = 31756767966722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3984269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1992384 + 1992385.

It is an arithmetic number, because the mean of its divisors is an integer number (1992385).

Almost surely, 2^3984769 is an apocalyptic number.

3984769 is the 1153-rd hex number.

It is an amenable number.

3984769 is a deficient number, since it is larger than the sum of its proper divisors (1).

3984769 is an equidigital number, since it uses as much as digits as its factorization.

3984769 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 326592, while the sum is 46.

The square root of 3984769 is about 1996.1886183425. The cubic root of 3984769 is about 158.5383680463.

It can be divided in two parts, 3984 and 769, that added together give a triangular number (4753 = T₉₇).

The spelling of 3984769 in words is "three million, nine hundred eighty-four thousand, seven hundred sixty-nine".