4045387 has 2 divisors, whose sum is σ = 4045388. Its totient is φ = 4045386.

The previous prime is 4045381. The next prime is 4045399. The reversal of 4045387 is 7835404.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4045387 is a prime.

It is not a weakly prime, because it can be changed into another prime (4045381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2022693 + 2022694.

It is an arithmetic number, because the mean of its divisors is an integer number (2022694).

Almost surely, 2^4045387 is an apocalyptic number.

4045387 is a deficient number, since it is larger than the sum of its proper divisors (1).

4045387 is an equidigital number, since it uses as much as digits as its factorization.

4045387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 4045387 is about 2011.3147441413. The cubic root of 4045387 is about 159.3382433240.

The spelling of 4045387 in words is "four million, forty-five thousand, three hundred eighty-seven".