4027957 has 2 divisors, whose sum is σ = 4027958. Its totient is φ = 4027956.

The previous prime is 4027927. The next prime is 4027993. The reversal of 4027957 is 7597204.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3721041 + 306916 = 1929^2 + 554^2 .

It is a cyclic number.

It is not a de Polignac number, because 4027957 - 2¹¹ = 4025909 is a prime.

4027957 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4027927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2013978 + 2013979.

It is an arithmetic number, because the mean of its divisors is an integer number (2013979).

Almost surely, 2^4027957 is an apocalyptic number.

It is an amenable number.

4027957 is a deficient number, since it is larger than the sum of its proper divisors (1).

4027957 is an equidigital number, since it uses as much as digits as its factorization.

4027957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17640, while the sum is 34.

The square root of 4027957 is about 2006.9770800884. The cubic root of 4027957 is about 159.1090716877.

The spelling of 4027957 in words is "four million, twenty-seven thousand, nine hundred fifty-seven".