4378868 has 24 divisors (see below), whose sum is σ = 8340192. Its totient is φ = 1999584.

The previous prime is 4378837. The next prime is 4378897. The reversal of 4378868 is 8688734.

It is a happy number.

It is a super-2 number, since 2×4378868² = 38348969922848, which contains 22 as substring.

It is a d-powerful number, because it can be written as 4³ + 3⁹ + 7⁶ + 8³ + 8⁷ + 6⁶ + 8⁷ .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5171 + ... + 5957.

It is an arithmetic number, because the mean of its divisors is an integer number (347508).

Almost surely, 2^4378868 is an apocalyptic number.

It is an amenable number.

4378868 is a deficient number, since it is larger than the sum of its proper divisors (3961324).

4378868 is a wasteful number, since it uses less digits than its factorization.

4378868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 911 (or 909 counting only the distinct ones).

The product of its digits is 258048, while the sum is 44.

The square root of 4378868 is about 2092.5744909083. The cubic root of 4378868 is about 163.6015012526.

The spelling of 4378868 in words is "four million, three hundred seventy-eight thousand, eight hundred sixty-eight".