4381913 has 8 divisors (see below), whose sum is σ = 4643520. Its totient is φ = 4123440.

The previous prime is 4381879. The next prime is 4381921. The reversal of 4381913 is 3191834.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4381913 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4381963) 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, 2483 + ... + 3863.

It is an arithmetic number, because the mean of its divisors is an integer number (580440).

Almost surely, 2^4381913 is an apocalyptic number.

It is an amenable number.

4381913 is a deficient number, since it is larger than the sum of its proper divisors (261607).

4381913 is a wasteful number, since it uses less digits than its factorization.

4381913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1567.

The product of its digits is 2592, while the sum is 29.

The square root of 4381913 is about 2093.3019371319. The cubic root of 4381913 is about 163.6394144867.

The spelling of 4381913 in words is "four million, three hundred eighty-one thousand, nine hundred thirteen".