3873431 has 2 divisors, whose sum is σ = 3873432. Its totient is φ = 3873430.

The previous prime is 3873427. The next prime is 3873437. The reversal of 3873431 is 1343783.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3873431 - 2² = 3873427 is a prime.

It is a super-2 number, since 2×3873431² = 30006935423522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 3873394 and 3873403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3873437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1936715 + 1936716.

It is an arithmetic number, because the mean of its divisors is an integer number (1936716).

Almost surely, 2^3873431 is an apocalyptic number.

3873431 is a deficient number, since it is larger than the sum of its proper divisors (1).

3873431 is an equidigital number, since it uses as much as digits as its factorization.

3873431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6048, while the sum is 29.

The square root of 3873431 is about 1968.1034017551. The cubic root of 3873431 is about 157.0478305050.

The spelling of 3873431 in words is "three million, eight hundred seventy-three thousand, four hundred thirty-one".