3933431 has 2 divisors, whose sum is σ = 3933432. Its totient is φ = 3933430.

The previous prime is 3933379. The next prime is 3933439. The reversal of 3933431 is 1343393.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3933431 - 2⁶ = 3933367 is a prime.

It is a super-2 number, since 2×3933431² = 30943758863522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3933431.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3933439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1966715 + 1966716.

It is an arithmetic number, because the mean of its divisors is an integer number (1966716).

Almost surely, 2^3933431 is an apocalyptic number.

3933431 is a deficient number, since it is larger than the sum of its proper divisors (1).

3933431 is an equidigital number, since it uses as much as digits as its factorization.

3933431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2916, while the sum is 26.

The square root of 3933431 is about 1983.2879266511. The cubic root of 3933431 is about 157.8545769774.

The spelling of 3933431 in words is "three million, nine hundred thirty-three thousand, four hundred thirty-one".