3895387 has 2 divisors, whose sum is σ = 3895388. Its totient is φ = 3895386.

The previous prime is 3895379. The next prime is 3895391. The reversal of 3895387 is 7835983.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (7835983) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3895387 - 2³ = 3895379 is a prime.

3895387 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (3895337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1947693 + 1947694.

It is an arithmetic number, because the mean of its divisors is an integer number (1947694).

Almost surely, 2^3895387 is an apocalyptic number.

3895387 is a deficient number, since it is larger than the sum of its proper divisors (1).

3895387 is an equidigital number, since it uses as much as digits as its factorization.

3895387 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 181440, while the sum is 43.

The square root of 3895387 is about 1973.6734785673. The cubic root of 3895387 is about 157.3440061267.

It can be divided in two parts, 389 and 5387, that added together give a square (5776 = 76²).

The spelling of 3895387 in words is "three million, eight hundred ninety-five thousand, three hundred eighty-seven".