4138863 has 4 divisors (see below), whose sum is σ = 5518488. Its totient is φ = 2759240.

The previous prime is 4138861. The next prime is 4138877. The reversal of 4138863 is 3688314.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4138863 - 2¹ = 4138861 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4138861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 689808 + ... + 689813.

It is an arithmetic number, because the mean of its divisors is an integer number (1379622).

Almost surely, 2^4138863 is an apocalyptic number.

4138863 is a deficient number, since it is larger than the sum of its proper divisors (1379625).

4138863 is a wasteful number, since it uses less digits than its factorization.

4138863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1379624.

The product of its digits is 13824, while the sum is 33.

The square root of 4138863 is about 2034.4195732444. The cubic root of 4138863 is about 160.5561764128.

The spelling of 4138863 in words is "four million, one hundred thirty-eight thousand, eight hundred sixty-three".