4138635 has 16 divisors (see below), whose sum is σ = 6801696. Its totient is φ = 2147328.

The previous prime is 4138627. The next prime is 4138649. The reversal of 4138635 is 5368314.

It is not a de Polignac number, because 4138635 - 2³ = 4138627 is a prime.

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, 3174 + ... + 4283.

It is an arithmetic number, because the mean of its divisors is an integer number (425106).

Almost surely, 2^4138635 is an apocalyptic number.

4138635 is a deficient number, since it is larger than the sum of its proper divisors (2663061).

4138635 is a wasteful number, since it uses less digits than its factorization.

4138635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7502.

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

The square root of 4138635 is about 2034.3635368341. The cubic root of 4138635 is about 160.5532281409.

The spelling of 4138635 in words is "four million, one hundred thirty-eight thousand, six hundred thirty-five".