3969115 has 8 divisors (see below), whose sum is σ = 4873968. Its totient is φ = 3101280.

The previous prime is 3969071. The next prime is 3969137. The reversal of 3969115 is 5119693.

3969115 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3969115 - 2⁹ = 3968603 is a prime.

It is a Duffinian 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 in 7 ways as a sum of consecutive naturals, for example, 9016 + ... + 9445.

It is an arithmetic number, because the mean of its divisors is an integer number (609246).

Almost surely, 2^3969115 is an apocalyptic number.

3969115 is a deficient number, since it is larger than the sum of its proper divisors (904853).

3969115 is a wasteful number, since it uses less digits than its factorization.

3969115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18509.

The product of its digits is 7290, while the sum is 34.

The square root of 3969115 is about 1992.2637877550. The cubic root of 3969115 is about 158.3304917926.

The spelling of 3969115 in words is "three million, nine hundred sixty-nine thousand, one hundred fifteen".