3931941 has 16 divisors (see below), whose sum is σ = 5785920. Its totient is φ = 2359680.

The previous prime is 3931933. The next prime is 3931943. The reversal of 3931941 is 1491393.

It is not a de Polignac number, because 3931941 - 2³ = 3931933 is a prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 3931899 and 3931908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3931943) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 370 + ... + 2828.

It is an arithmetic number, because the mean of its divisors is an integer number (361620).

Almost surely, 2^3931941 is an apocalyptic number.

It is an amenable number.

3931941 is a deficient number, since it is larger than the sum of its proper divisors (1853979).

3931941 is a wasteful number, since it uses less digits than its factorization.

3931941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2516.

The product of its digits is 2916, while the sum is 30.

The square root of 3931941 is about 1982.9122522189. The cubic root of 3931941 is about 157.8346424703.

The spelling of 3931941 in words is "three million, nine hundred thirty-one thousand, nine hundred forty-one".