3941831 has 2 divisors, whose sum is σ = 3941832. Its totient is φ = 3941830.

The previous prime is 3941803. The next prime is 3941837. The reversal of 3941831 is 1381493.

It is a strong prime.

It is an emirp because it is prime and its reverse (1381493) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3941831 is a prime.

It is a super-2 number, since 2×3941831² = 31076063265122, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 3941794 and 3941803.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3941837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1970915 + 1970916.

It is an arithmetic number, because the mean of its divisors is an integer number (1970916).

Almost surely, 2^3941831 is an apocalyptic number.

3941831 is a deficient number, since it is larger than the sum of its proper divisors (1).

3941831 is an equidigital number, since it uses as much as digits as its factorization.

3941831 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592, while the sum is 29.

The square root of 3941831 is about 1985.4044927923. The cubic root of 3941831 is about 157.9668653478.

The spelling of 3941831 in words is "three million, nine hundred forty-one thousand, eight hundred thirty-one".