3946479 has 4 divisors (see below), whose sum is σ = 5261976. Its totient is φ = 2630984.

The previous prime is 3946477. The next prime is 3946483. The reversal of 3946479 is 9746493.

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 3946479 - 2¹ = 3946477 is a prime.

It is a D-number.

3946479 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 3946479.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3946477) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 657744 + ... + 657749.

It is an arithmetic number, because the mean of its divisors is an integer number (1315494).

Almost surely, 2^3946479 is an apocalyptic number.

3946479 is a deficient number, since it is larger than the sum of its proper divisors (1315497).

3946479 is a wasteful number, since it uses less digits than its factorization.

3946479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1315496.

The product of its digits is 163296, while the sum is 42.

The square root of 3946479 is about 1986.5746902646. The cubic root of 3946479 is about 158.0289297024.

The spelling of 3946479 in words is "three million, nine hundred forty-six thousand, four hundred seventy-nine".