3946279 has 4 divisors (see below), whose sum is σ = 3959280. Its totient is φ = 3933280.

The previous prime is 3946259. The next prime is 3946289. The reversal of 3946279 is 9726493.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3946279 - 2⁵ = 3946247 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 (3946219) 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 3 ways as a sum of consecutive naturals, for example, 6034 + ... + 6655.

It is an arithmetic number, because the mean of its divisors is an integer number (989820).

Almost surely, 2^3946279 is an apocalyptic number.

3946279 is a deficient number, since it is larger than the sum of its proper divisors (13001).

3946279 is a wasteful number, since it uses less digits than its factorization.

3946279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13000.

The product of its digits is 81648, while the sum is 40.

The square root of 3946279 is about 1986.5243517259. The cubic root of 3946279 is about 158.0262601228.

It can be divided in two parts, 3946 and 279, that added together give a square (4225 = 65²).

The spelling of 3946279 in words is "three million, nine hundred forty-six thousand, two hundred seventy-nine".