3873731 has 2 divisors, whose sum is σ = 3873732. Its totient is φ = 3873730.

The previous prime is 3873719. The next prime is 3873743. The reversal of 3873731 is 1373783.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (3873719) and next prime (3873743).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3873731 is a prime.

It is a super-2 number, since 2×3873731² = 30011583720722, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (3873781) 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, 1936865 + 1936866.

It is an arithmetic number, because the mean of its divisors is an integer number (1936866).

Almost surely, 2^3873731 is an apocalyptic number.

3873731 is a deficient number, since it is larger than the sum of its proper divisors (1).

3873731 is an equidigital number, since it uses as much as digits as its factorization.

3873731 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10584, while the sum is 32.

The square root of 3873731 is about 1968.1796157871. The cubic root of 3873731 is about 157.0518848893.

The spelling of 3873731 in words is "three million, eight hundred seventy-three thousand, seven hundred thirty-one".