3931936 has 48 divisors (see below), whose sum is σ = 8467200. Its totient is φ = 1790208.

The previous prime is 3931933. The next prime is 3931943. The reversal of 3931936 is 6391393.

It is a happy number.

3931936 is nontrivially palindromic in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3931933) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17521 + ... + 17743.

It is an arithmetic number, because the mean of its divisors is an integer number (176400).

Almost surely, 2^3931936 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 3931936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4233600).

3931936 is an abundant number, since it is smaller than the sum of its proper divisors (4535264).

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

3931936 is a wasteful number, since it uses less digits than its factorization.

3931936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281 (or 273 counting only the distinct ones).

The product of its digits is 13122, while the sum is 34.

The square root of 3931936 is about 1982.9109914467. The cubic root of 3931936 is about 157.8345755675.

The spelling of 3931936 in words is "three million, nine hundred thirty-one thousand, nine hundred thirty-six".