3850657 has 2 divisors, whose sum is σ = 3850658. Its totient is φ = 3850656.

The previous prime is 3850633. The next prime is 3850661. The reversal of 3850657 is 7560583.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2692881 + 1157776 = 1641^2 + 1076^2 .

It is a cyclic number.

It is not a de Polignac number, because 3850657 - 2¹¹ = 3848609 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (3860657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1925328 + 1925329.

It is an arithmetic number, because the mean of its divisors is an integer number (1925329).

Almost surely, 2^3850657 is an apocalyptic number.

It is an amenable number.

3850657 is a deficient number, since it is larger than the sum of its proper divisors (1).

3850657 is an equidigital number, since it uses as much as digits as its factorization.

3850657 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 3850657 is about 1962.3090989954. The cubic root of 3850657 is about 156.7394355375.

The spelling of 3850657 in words is "three million, eight hundred fifty thousand, six hundred fifty-seven".