3930784 has 48 divisors (see below), whose sum is σ = 9102240. Its totient is φ = 1647360.

The previous prime is 3930767. The next prime is 3930799. The reversal of 3930784 is 4870393.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4147 + ... + 5005.

It is an arithmetic number, because the mean of its divisors is an integer number (189630).

Almost surely, 2^3930784 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3930784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4551120).

3930784 is an abundant number, since it is smaller than the sum of its proper divisors (5171456).

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

3930784 is a wasteful number, since it uses less digits than its factorization.

3930784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 893 (or 885 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 3930784 is about 1982.6204881419. The cubic root of 3930784 is about 157.8191596510.

The spelling of 3930784 in words is "three million, nine hundred thirty thousand, seven hundred eighty-four".