4381923 has 24 divisors (see below), whose sum is σ = 7322448. Its totient is φ = 2310336.

The previous prime is 4381921. The next prime is 4381931. The reversal of 4381923 is 3291834.

It is not a de Polignac number, because 4381923 - 2¹ = 4381921 is a prime.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (4381921) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 765 + ... + 3057.

It is an arithmetic number, because the mean of its divisors is an integer number (305102).

Almost surely, 2^4381923 is an apocalyptic number.

4381923 is a deficient number, since it is larger than the sum of its proper divisors (2940525).

4381923 is a wasteful number, since it uses less digits than its factorization.

4381923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2323 (or 2316 counting only the distinct ones).

The product of its digits is 5184, while the sum is 30.

The square root of 4381923 is about 2093.3043257014. The cubic root of 4381923 is about 163.6395389676.

The spelling of 4381923 in words is "four million, three hundred eighty-one thousand, nine hundred twenty-three".