3838657 has 2 divisors, whose sum is σ = 3838658. Its totient is φ = 3838656.

The previous prime is 3838621. The next prime is 3838661. The reversal of 3838657 is 7568383.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2119936 + 1718721 = 1456^2 + 1311^2 .

It is a cyclic number.

It is not a de Polignac number, because 3838657 - 2⁷ = 3838529 is a prime.

3838657 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (3838157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1919328 + 1919329.

It is an arithmetic number, because the mean of its divisors is an integer number (1919329).

Almost surely, 2^3838657 is an apocalyptic number.

It is an amenable number.

3838657 is a deficient number, since it is larger than the sum of its proper divisors (1).

3838657 is an equidigital number, since it uses as much as digits as its factorization.

3838657 is an evil number, because the sum of its binary digits is even.

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

The square root of 3838657 is about 1959.2490908509. The cubic root of 3838657 is about 156.5764477290.

The spelling of 3838657 in words is "three million, eight hundred thirty-eight thousand, six hundred fifty-seven".