3969045 has 24 divisors (see below), whose sum is σ = 6930456. Its totient is φ = 2101248.

The previous prime is 3969037. The next prime is 3969059. The reversal of 3969045 is 5409693.

It can be written as a sum of positive squares in 4 ways, for example, as 576081 + 3392964 = 759^2 + 1842^2 .

It is not a de Polignac number, because 3969045 - 2³ = 3969037 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8457 + ... + 8913.

It is an arithmetic number, because the mean of its divisors is an integer number (288769).

Almost surely, 2^3969045 is an apocalyptic number.

It is an amenable number.

3969045 is a deficient number, since it is larger than the sum of its proper divisors (2961411).

3969045 is a wasteful number, since it uses less digits than its factorization.

3969045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661 (or 658 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

The square root of 3969045 is about 1992.2462197229. The cubic root of 3969045 is about 158.3295610058.

The spelling of 3969045 in words is "three million, nine hundred sixty-nine thousand, forty-five".