3868031 has 2 divisors, whose sum is σ = 3868032. Its totient is φ = 3868030.

The previous prime is 3868021. The next prime is 3868043. The reversal of 3868031 is 1308683.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3868031 is a prime.

It is a super-2 number, since 2×3868031² = 29923327633922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 3867985 and 3868003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3868021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1934015 + 1934016.

It is an arithmetic number, because the mean of its divisors is an integer number (1934016).

Almost surely, 2^3868031 is an apocalyptic number.

3868031 is a deficient number, since it is larger than the sum of its proper divisors (1).

3868031 is an equidigital number, since it uses as much as digits as its factorization.

3868031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 3868031 is about 1966.7310441441. The cubic root of 3868031 is about 156.9748157638.

The spelling of 3868031 in words is "three million, eight hundred sixty-eight thousand, thirty-one".