3920057 has 2 divisors, whose sum is σ = 3920058. Its totient is φ = 3920056.

The previous prime is 3920029. The next prime is 3920069. The reversal of 3920057 is 7500293.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3671056 + 249001 = 1916^2 + 499^2 .

It is an emirp because it is prime and its reverse (7500293) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3920057 - 2¹⁰ = 3919033 is a prime.

It is not a weakly prime, because it can be changed into another prime (3920087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1960028 + 1960029.

It is an arithmetic number, because the mean of its divisors is an integer number (1960029).

Almost surely, 2^3920057 is an apocalyptic number.

It is an amenable number.

3920057 is a deficient number, since it is larger than the sum of its proper divisors (1).

3920057 is an equidigital number, since it uses as much as digits as its factorization.

3920057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1890, while the sum is 26.

The square root of 3920057 is about 1979.9133819438. The cubic root of 3920057 is about 157.6754674980.

The spelling of 3920057 in words is "three million, nine hundred twenty thousand, fifty-seven".