3989057 has 2 divisors, whose sum is σ = 3989058. Its totient is φ = 3989056.

The previous prime is 3989039. The next prime is 3989093. The reversal of 3989057 is 7509893.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3984016 + 5041 = 1996^2 + 71^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3989057 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3989857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1994528 + 1994529.

It is an arithmetic number, because the mean of its divisors is an integer number (1994529).

Almost surely, 2^3989057 is an apocalyptic number.

It is an amenable number.

3989057 is a deficient number, since it is larger than the sum of its proper divisors (1).

3989057 is an equidigital number, since it uses as much as digits as its factorization.

3989057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 68040, while the sum is 41.

The square root of 3989057 is about 1997.2623763542. The cubic root of 3989057 is about 158.5952152412.

The spelling of 3989057 in words is "three million, nine hundred eighty-nine thousand, fifty-seven".