4381408 has 24 divisors (see below), whose sum is σ = 9002448. Its totient is φ = 2095104.

The previous prime is 4381379. The next prime is 4381409. The reversal of 4381408 is 8041834.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4381409) 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, 2241 + ... + 3712.

It is an arithmetic number, because the mean of its divisors is an integer number (375102).

Almost surely, 2^4381408 is an apocalyptic number.

It is an amenable number.

4381408 is an abundant number, since it is smaller than the sum of its proper divisors (4621040).

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

4381408 is a wasteful number, since it uses less digits than its factorization.

4381408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5986 (or 5978 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 4381408 is about 2093.1813108281. The cubic root of 4381408 is about 163.6331279570.

The spelling of 4381408 in words is "four million, three hundred eighty-one thousand, four hundred eight".