3969023 has 4 divisors (see below), whose sum is σ = 4097088. Its totient is φ = 3840960.

The previous prime is 3969019. The next prime is 3969037. The reversal of 3969023 is 3209693.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3209693 = 83 ⋅38671.

It is a cyclic number.

It is not a de Polignac number, because 3969023 - 2² = 3969019 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3969923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63986 + ... + 64047.

It is an arithmetic number, because the mean of its divisors is an integer number (1024272).

Almost surely, 2^3969023 is an apocalyptic number.

3969023 is a deficient number, since it is larger than the sum of its proper divisors (128065).

3969023 is a wasteful number, since it uses less digits than its factorization.

3969023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128064.

The product of its (nonzero) digits is 8748, while the sum is 32.

The square root of 3969023 is about 1992.2406983093. The cubic root of 3969023 is about 158.3292684706.

The spelling of 3969023 in words is "three million, nine hundred sixty-nine thousand, twenty-three".