4378863 has 8 divisors (see below), whose sum is σ = 5890608. Its totient is φ = 2893184.

The previous prime is 4378837. The next prime is 4378897. The reversal of 4378863 is 3688734.

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 4378863 - 2⁹ = 4378351 is a prime.

It is a d-powerful number, because it can be written as 4 + 3⁸ + 7⁶ + 8⁷ + 8⁷ + 6⁴ + 3¹⁰ .

4378863 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4378813) 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, 6120 + ... + 6797.

It is an arithmetic number, because the mean of its divisors is an integer number (736326).

Almost surely, 2^4378863 is an apocalyptic number.

4378863 is a deficient number, since it is larger than the sum of its proper divisors (1511745).

4378863 is a wasteful number, since it uses less digits than its factorization.

4378863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13033.

The product of its digits is 96768, while the sum is 39.

The square root of 4378863 is about 2092.5732962073. The cubic root of 4378863 is about 163.6014389832.

The spelling of 4378863 in words is "four million, three hundred seventy-eight thousand, eight hundred sixty-three".