3965879 has 8 divisors (see below), whose sum is σ = 4253760. Its totient is φ = 3684096.

The previous prime is 3965869. The next prime is 3965881. The reversal of 3965879 is 9785693.

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

It is a cyclic number.

It is not a de Polignac number, because 3965879 - 2¹⁶ = 3900343 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 (3965839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134 + ... + 2819.

It is an arithmetic number, because the mean of its divisors is an integer number (531720).

Almost surely, 2^3965879 is an apocalyptic number.

3965879 is a deficient number, since it is larger than the sum of its proper divisors (287881).

3965879 is a wasteful number, since it uses less digits than its factorization.

3965879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3049.

The product of its digits is 408240, while the sum is 47.

The square root of 3965879 is about 1991.4514807045. The cubic root of 3965879 is about 158.2874514024.

The spelling of 3965879 in words is "three million, nine hundred sixty-five thousand, eight hundred seventy-nine".