4136385 has 48 divisors (see below), whose sum is σ = 7584192. Its totient is φ = 1921920.

The previous prime is 4136383. The next prime is 4136411. The reversal of 4136385 is 5836314.

It is not a de Polignac number, because 4136385 - 2¹ = 4136383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4136381) 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 in 47 ways as a sum of consecutive naturals, for example, 78019 + ... + 78071.

It is an arithmetic number, because the mean of its divisors is an integer number (158004).

Almost surely, 2^4136385 is an apocalyptic number.

It is an amenable number.

4136385 is a deficient number, since it is larger than the sum of its proper divisors (3447807).

4136385 is a wasteful number, since it uses less digits than its factorization.

4136385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126 (or 115 counting only the distinct ones).

The product of its digits is 8640, while the sum is 30.

The square root of 4136385 is about 2033.8104631455. The cubic root of 4136385 is about 160.5241275439.

The spelling of 4136385 in words is "four million, one hundred thirty-six thousand, three hundred eighty-five".