3906392 has 32 divisors (see below), whose sum is σ = 8486400. Its totient is φ = 1651104.

The previous prime is 3906373. The next prime is 3906401. The reversal of 3906392 is 2936093.

It is a congruent number.

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, 3983 + ... + 4865.

It is an arithmetic number, because the mean of its divisors is an integer number (265200).

Almost surely, 2^3906392 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 3906392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4243200).

3906392 is an abundant number, since it is smaller than the sum of its proper divisors (4580008).

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

3906392 is a wasteful number, since it uses less digits than its factorization.

3906392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 975 (or 971 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 32.

The square root of 3906392 is about 1976.4594607530. The cubic root of 3906392 is about 157.4920395742.

Subtracting from 3906392 its reverse (2936093), we obtain a cube (970299 = 99³).

The spelling of 3906392 in words is "three million, nine hundred six thousand, three hundred ninety-two".