3909386 has 16 divisors (see below), whose sum is σ = 6436584. Its totient is φ = 1769664.

The previous prime is 3909361. The next prime is 3909397. The reversal of 3909386 is 6839093.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2002225 + 1907161 = 1415^2 + 1381^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41 + ... + 2796.

Almost surely, 2^3909386 is an apocalyptic number.

3909386 is a deficient number, since it is larger than the sum of its proper divisors (2527198).

3909386 is a wasteful number, since it uses less digits than its factorization.

3909386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2905.

The product of its (nonzero) digits is 34992, while the sum is 38.

The square root of 3909386 is about 1977.2167306595. The cubic root of 3909386 is about 157.5322651627.

The spelling of 3909386 in words is "three million, nine hundred nine thousand, three hundred eighty-six".