4027993 has 2 divisors, whose sum is σ = 4027994. Its totient is φ = 4027992.

The previous prime is 4027957. The next prime is 4028009. The reversal of 4027993 is 3997204.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3794704 + 233289 = 1948^2 + 483^2 .

It is a cyclic number.

It is not a de Polignac number, because 4027993 - 2⁹ = 4027481 is a prime.

It is not a weakly prime, because it can be changed into another prime (4027913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2013996 + 2013997.

It is an arithmetic number, because the mean of its divisors is an integer number (2013997).

Almost surely, 2^4027993 is an apocalyptic number.

It is an amenable number.

4027993 is a deficient number, since it is larger than the sum of its proper divisors (1).

4027993 is an equidigital number, since it uses as much as digits as its factorization.

4027993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 4027993 is about 2006.9860487806. The cubic root of 4027993 is about 159.1095457005.

The spelling of 4027993 in words is "four million, twenty-seven thousand, nine hundred ninety-three".