4381616 has 20 divisors (see below), whose sum is σ = 8651232. Its totient is φ = 2149056.

The previous prime is 4381607. The next prime is 4381667. The reversal of 4381616 is 6161834.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1736 + ... + 3431.

Almost surely, 2^4381616 is an apocalyptic number.

It is an amenable number.

4381616 is a deficient number, since it is larger than the sum of its proper divisors (4269616).

4381616 is a wasteful number, since it uses less digits than its factorization.

4381616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5228 (or 5222 counting only the distinct ones).

The product of its digits is 3456, while the sum is 29.

The square root of 4381616 is about 2093.2309953753. The cubic root of 4381616 is about 163.6357173188.

The spelling of 4381616 in words is "four million, three hundred eighty-one thousand, six hundred sixteen".