3969748 has 6 divisors (see below), whose sum is σ = 6947066. Its totient is φ = 1984872.

The previous prime is 3969737. The next prime is 3969751. The reversal of 3969748 is 8479693.

3969748 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., 2829124 + 1140624 = 1682^2 + 1068^2 .

It is an Ulam number.

It is a d-powerful number, because it can be written as 3⁵ + 9 + 6³ + 9 + 7⁷ + 4¹⁰ + 8⁷ .

It is a junction number, because it is equal to n+sod(n) for n = 3969698 and 3969707.

It is a congruent number.

It is an unprimeable number.

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, 496215 + ... + 496222.

Almost surely, 2^3969748 is an apocalyptic number.

It is an amenable number.

3969748 is a deficient number, since it is larger than the sum of its proper divisors (2977318).

3969748 is a wasteful number, since it uses less digits than its factorization.

3969748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 992441 (or 992439 counting only the distinct ones).

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

The square root of 3969748 is about 1992.4226459263. The cubic root of 3969748 is about 158.3389082678.

The spelling of 3969748 in words is "three million, nine hundred sixty-nine thousand, seven hundred forty-eight".