3868357 has 2 divisors, whose sum is σ = 3868358. Its totient is φ = 3868356.

The previous prime is 3868331. The next prime is 3868399. The reversal of 3868357 is 7538683.

3868357 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., 2461761 + 1406596 = 1569^2 + 1186^2 .

It is an emirp because it is prime and its reverse (7538683) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3868357 is a prime.

3868357 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3868057) 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, 1934178 + 1934179.

It is an arithmetic number, because the mean of its divisors is an integer number (1934179).

Almost surely, 2^3868357 is an apocalyptic number.

It is an amenable number.

3868357 is a deficient number, since it is larger than the sum of its proper divisors (1).

3868357 is an equidigital number, since it uses as much as digits as its factorization.

3868357 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120960, while the sum is 40.

The square root of 3868357 is about 1966.8139210408. The cubic root of 3868357 is about 156.9792256175.

It can be divided in two parts, 3868 and 357, that added together give a square (4225 = 65²).

The spelling of 3868357 in words is "three million, eight hundred sixty-eight thousand, three hundred fifty-seven".