4138455 has 8 divisors (see below), whose sum is σ = 6621552. Its totient is φ = 2207168.

The previous prime is 4138451. The next prime is 4138483. The reversal of 4138455 is 5548314.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4138455 - 2² = 4138451 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4138451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137934 + ... + 137963.

It is an arithmetic number, because the mean of its divisors is an integer number (827694).

Almost surely, 2^4138455 is an apocalyptic number.

4138455 is a deficient number, since it is larger than the sum of its proper divisors (2483097).

4138455 is a wasteful number, since it uses less digits than its factorization.

4138455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275905.

The product of its digits is 9600, while the sum is 30.

The square root of 4138455 is about 2034.3192964724. The cubic root of 4138455 is about 160.5509004813.

The spelling of 4138455 in words is "four million, one hundred thirty-eight thousand, four hundred fifty-five".