3969764 has 6 divisors (see below), whose sum is σ = 6947094. Its totient is φ = 1984880.

The previous prime is 3969751. The next prime is 3969769. The reversal of 3969764 is 4679693.

3969764 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 3841600 + 128164 = 1960^2 + 358^2 .

It is a d-powerful number, because it can be written as 3⁹ + 9⁵ + 6⁸ + 9⁶ + 7³ + 6⁸ + 4² .

It is not an unprimeable number, because it can be changed into a prime (3969769) 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, 496217 + ... + 496224.

It is an arithmetic number, because the mean of its divisors is an integer number (1157849).

Almost surely, 2^3969764 is an apocalyptic number.

It is an amenable number.

3969764 is a deficient number, since it is larger than the sum of its proper divisors (2977330).

3969764 is a wasteful number, since it uses less digits than its factorization.

3969764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 992445 (or 992443 counting only the distinct ones).

The product of its digits is 244944, while the sum is 44.

The square root of 3969764 is about 1992.4266611346. The cubic root of 3969764 is about 158.3391209950.

The spelling of 3969764 in words is "three million, nine hundred sixty-nine thousand, seven hundred sixty-four".