4445387 has 2 divisors, whose sum is σ = 4445388. Its totient is φ = 4445386.

The previous prime is 4445333. The next prime is 4445393. The reversal of 4445387 is 7835444.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4445387 - 2¹⁸ = 4183243 is a prime.

It is a super-2 number, since 2×4445387² = 39522931159538, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4445317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2222693 + 2222694.

It is an arithmetic number, because the mean of its divisors is an integer number (2222694).

Almost surely, 2^4445387 is an apocalyptic number.

4445387 is a deficient number, since it is larger than the sum of its proper divisors (1).

4445387 is an equidigital number, since it uses as much as digits as its factorization.

4445387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 53760, while the sum is 35.

The square root of 4445387 is about 2108.4086416063. The cubic root of 4445387 is about 164.4257601766.

The spelling of 4445387 in words is "four million, four hundred forty-five thousand, three hundred eighty-seven".