3869993 has 2 divisors, whose sum is σ = 3869994. Its totient is φ = 3869992.

The previous prime is 3869989. The next prime is 3870001. The reversal of 3869993 is 3999683.

3869993 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3396649 + 473344 = 1843^2 + 688^2 .

It is an emirp because it is prime and its reverse (3999683) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3869993 - 2² = 3869989 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3860993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1934996 + 1934997.

It is an arithmetic number, because the mean of its divisors is an integer number (1934997).

Almost surely, 2^3869993 is an apocalyptic number.

It is an amenable number.

3869993 is a deficient number, since it is larger than the sum of its proper divisors (1).

3869993 is an equidigital number, since it uses as much as digits as its factorization.

3869993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 314928, while the sum is 47.

The square root of 3869993 is about 1967.2297781398. The cubic root of 3869993 is about 157.0013523083.

The spelling of 3869993 in words is "three million, eight hundred sixty-nine thousand, nine hundred ninety-three".