3640027 has 2 divisors, whose sum is σ = 3640028. Its totient is φ = 3640026.

The previous prime is 3640019. The next prime is 3640031. The reversal of 3640027 is 7200463.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3640027 - 2³ = 3640019 is a prime.

3640027 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (3640037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1820013 + 1820014.

It is an arithmetic number, because the mean of its divisors is an integer number (1820014).

Almost surely, 2^3640027 is an apocalyptic number.

3640027 is a deficient number, since it is larger than the sum of its proper divisors (1).

3640027 is an equidigital number, since it uses as much as digits as its factorization.

3640027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 3640027 is about 1907.8854787434. The cubic root of 3640027 is about 153.8278139612.

The spelling of 3640027 in words is "three million, six hundred forty thousand, twenty-seven".