3969049 has 6 divisors (see below), whose sum is σ = 4617114. Its totient is φ = 3402000.

The previous prime is 3969037. The next prime is 3969059. The reversal of 3969049 is 9409693.

It can be written as a sum of positive squares in only one way, i.e., 3841600 + 127449 = 1960^2 + 357^2 .

It is not a de Polignac number, because 3969049 - 2⁹ = 3968537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3969019) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 40452 + ... + 40549.

It is an arithmetic number, because the mean of its divisors is an integer number (769519).

Almost surely, 2^3969049 is an apocalyptic number.

It is an amenable number.

3969049 is a deficient number, since it is larger than the sum of its proper divisors (648065).

3969049 is an equidigital number, since it uses as much as digits as its factorization.

3969049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81015 (or 81008 counting only the distinct ones).

The product of its (nonzero) digits is 52488, while the sum is 40.

The square root of 3969049 is about 1992.2472236146. The cubic root of 3969049 is about 158.3296141940.

The spelling of 3969049 in words is "three million, nine hundred sixty-nine thousand, forty-nine".