3933856 has 24 divisors (see below), whose sum is σ = 7790580. Its totient is φ = 1955328.

The previous prime is 3933841. The next prime is 3933857. The reversal of 3933856 is 6583393.

It can be written as a sum of positive squares in 2 ways, for example, as 3920400 + 13456 = 1980^2 + 116^2 .

It is not an unprimeable number, because it can be changed into a prime (3933857) 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, 8380 + ... + 8836.

Almost surely, 2^3933856 is an apocalyptic number.

It is an amenable number.

3933856 is a deficient number, since it is larger than the sum of its proper divisors (3856724).

3933856 is a wasteful number, since it uses less digits than its factorization.

3933856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 736 (or 728 counting only the distinct ones).

The product of its digits is 58320, while the sum is 37.

The square root of 3933856 is about 1983.3950690672. The cubic root of 3933856 is about 157.8602620718.

The spelling of 3933856 in words is "three million, nine hundred thirty-three thousand, eight hundred fifty-six".