3923306 has 4 divisors (see below), whose sum is σ = 5884962. Its totient is φ = 1961652.

The previous prime is 3923303. The next prime is 3923321. The reversal of 3923306 is 6033293.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6033293 = 7 ⋅861899.

It can be written as a sum of positive squares in only one way, i.e., 2941225 + 982081 = 1715^2 + 991^2 .

It is not an unprimeable number, because it can be changed into a prime (3923303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 980825 + ... + 980828.

Almost surely, 2^3923306 is an apocalyptic number.

3923306 is a deficient number, since it is larger than the sum of its proper divisors (1961656).

3923306 is a wasteful number, since it uses less digits than its factorization.

3923306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1961655.

The product of its (nonzero) digits is 2916, while the sum is 26.

The square root of 3923306 is about 1980.7337024446. The cubic root of 3923306 is about 157.7190167057.

Adding to 3923306 its reverse (6033293), we get a palindrome (9956599).

The spelling of 3923306 in words is "three million, nine hundred twenty-three thousand, three hundred six".