3930309 has 16 divisors (see below), whose sum is σ = 6076800. Its totient is φ = 2505888.

The previous prime is 3930307. The next prime is 3930317. The reversal of 3930309 is 9030393.

It is not a de Polignac number, because 3930309 - 2¹ = 3930307 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a plaindrome in base 11.

It is a zygodrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3930307) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2544 + ... + 3785.

It is an arithmetic number, because the mean of its divisors is an integer number (379800).

Almost surely, 2^3930309 is an apocalyptic number.

It is an amenable number.

3930309 is a deficient number, since it is larger than the sum of its proper divisors (2146491).

3930309 is a wasteful number, since it uses less digits than its factorization.

3930309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6361 (or 6355 counting only the distinct ones).

The product of its (nonzero) digits is 2187, while the sum is 27.

The square root of 3930309 is about 1982.5006935686. The cubic root of 3930309 is about 157.8128023848.

The spelling of 3930309 in words is "three million, nine hundred thirty thousand, three hundred nine".