3856392 has 48 divisors (see below), whose sum is σ = 10998000. Its totient is φ = 1217376.

The previous prime is 3856381. The next prime is 3856393. The reversal of 3856392 is 2936583.

3856392 is a `hidden beast` number, since 3 + 8 + 563 + 92 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a d-powerful number, because it can be written as 3⁶ + 8⁷ + 5⁷ + 6⁸ + 3⁶ + 9 + 2⁵ .

It is not an unprimeable number, because it can be changed into a prime (3856393) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42 + ... + 2777.

It is an arithmetic number, because the mean of its divisors is an integer number (229125).

Almost surely, 2^3856392 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 3856392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5499000).

3856392 is an abundant number, since it is smaller than the sum of its proper divisors (7141608).

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

3856392 is a wasteful number, since it uses less digits than its factorization.

3856392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2850 (or 2843 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 3856392 is about 1963.7698439481. The cubic root of 3856392 is about 156.8172105571.

It can be divided in two parts, 385639 and 2, that added together give a square (385641 = 621²).

The spelling of 3856392 in words is "three million, eight hundred fifty-six thousand, three hundred ninety-two".