3960557 has 2 divisors, whose sum is σ = 3960558. Its totient is φ = 3960556.

The previous prime is 3960521. The next prime is 3960581. The reversal of 3960557 is 7550693.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3587236 + 373321 = 1894^2 + 611^2 .

It is a cyclic number.

It is not a de Polignac number, because 3960557 - 2¹⁴ = 3944173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3960587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1980278 + 1980279.

It is an arithmetic number, because the mean of its divisors is an integer number (1980279).

Almost surely, 2^3960557 is an apocalyptic number.

It is an amenable number.

3960557 is a deficient number, since it is larger than the sum of its proper divisors (1).

3960557 is an equidigital number, since it uses as much as digits as its factorization.

3960557 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28350, while the sum is 35.

The square root of 3960557 is about 1990.1148208081. The cubic root of 3960557 is about 158.2166152424.

The spelling of 3960557 in words is "three million, nine hundred sixty thousand, five hundred fifty-seven".