4140385 has 16 divisors (see below), whose sum is σ = 5362560. Its totient is φ = 3058560.

The previous prime is 4140379. The next prime is 4140397. The reversal of 4140385 is 5830414.

It is not a de Polignac number, because 4140385 - 2³ = 4140377 is a prime.

4140385 is a lucky number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 3364 + ... + 4426.

It is an arithmetic number, because the mean of its divisors is an integer number (335160).

Almost surely, 2^4140385 is an apocalyptic number.

It is an amenable number.

4140385 is a deficient number, since it is larger than the sum of its proper divisors (1222175).

4140385 is a wasteful number, since it uses less digits than its factorization.

4140385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1128.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 4140385 is about 2034.7936013267. The cubic root of 4140385 is about 160.5758546475.

Adding to 4140385 its reverse (5830414), we get a palindrome (9970799).

The spelling of 4140385 in words is "four million, one hundred forty thousand, three hundred eighty-five".