3930384 has 20 divisors (see below), whose sum is σ = 10153616. Its totient is φ = 1310112.

The previous prime is 3930373. The next prime is 3930389. The reversal of 3930384 is 4830393.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (3930389) 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, 40894 + ... + 40989.

Almost surely, 2^3930384 is an apocalyptic number.

It is an amenable number.

3930384 is an abundant number, since it is smaller than the sum of its proper divisors (6223232).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3930384 is a wasteful number, since it uses less digits than its factorization.

3930384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81894 (or 81888 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 3930384 is about 1982.5196089825. The cubic root of 3930384 is about 157.8138061977.

Subtracting 3930384 from its reverse (4830393), we obtain a palindrome (900009).

The spelling of 3930384 in words is "three million, nine hundred thirty thousand, three hundred eighty-four".