4378336 has 24 divisors (see below), whose sum is σ = 8765064. Its totient is φ = 2152320.

The previous prime is 4378327. The next prime is 4378351. The reversal of 4378336 is 6338734.

It is a happy number.

It is a super-2 number, since 2×4378336² = 38339652257792, which contains 22 as substring.

It is a d-powerful number, because it can be written as 4¹¹ + 3⁶ + 7⁶ + 8 + 3⁸ + 3¹⁰ + 6² .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 831 + ... + 3073.

It is an arithmetic number, because the mean of its divisors is an integer number (365211).

Almost surely, 2^4378336 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4378336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4382532).

4378336 is an abundant number, since it is smaller than the sum of its proper divisors (4386728).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4378336 is a wasteful number, since it uses less digits than its factorization.

4378336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2314 (or 2306 counting only the distinct ones).

The product of its digits is 36288, while the sum is 34.

The square root of 4378336 is about 2092.4473709033. The cubic root of 4378336 is about 163.5948755277.

The spelling of 4378336 in words is "four million, three hundred seventy-eight thousand, three hundred thirty-six".