3960279 has 8 divisors (see below), whose sum is σ = 5867120. Its totient is φ = 2640168.

The previous prime is 3960263. The next prime is 3960283. The reversal of 3960279 is 9720693.

It is not a de Polignac number, because 3960279 - 2⁴ = 3960263 is a prime.

It is a Duffinian number.

3960279 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3960289) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73312 + ... + 73365.

It is an arithmetic number, because the mean of its divisors is an integer number (733390).

Almost surely, 2^3960279 is an apocalyptic number.

3960279 is a deficient number, since it is larger than the sum of its proper divisors (1906841).

3960279 is a wasteful number, since it uses less digits than its factorization.

3960279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146686 (or 146680 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 36.

The square root of 3960279 is about 1990.0449743662. The cubic root of 3960279 is about 158.2129133011.

The spelling of 3960279 in words is "three million, nine hundred sixty thousand, two hundred seventy-nine".