3868013 has 2 divisors, whose sum is σ = 3868014. Its totient is φ = 3868012.

The previous prime is 3868003. The next prime is 3868019. The reversal of 3868013 is 3108683.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3232804 + 635209 = 1798^2 + 797^2 .

It is a cyclic number.

It is not a de Polignac number, because 3868013 - 2⁸ = 3867757 is a prime.

It is a Chen prime.

It is equal to p₂₇₄₄₉₃ and since 3868013 and 274493 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3868019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1934006 + 1934007.

It is an arithmetic number, because the mean of its divisors is an integer number (1934007).

Almost surely, 2^3868013 is an apocalyptic number.

It is an amenable number.

3868013 is a deficient number, since it is larger than the sum of its proper divisors (1).

3868013 is an equidigital number, since it uses as much as digits as its factorization.

3868013 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 3868013 is about 1966.7264680173. The cubic root of 3868013 is about 156.9745722677.

The spelling of 3868013 in words is "three million, eight hundred sixty-eight thousand, thirteen".