4381673 has 4 divisors (see below), whose sum is σ = 4386900. Its totient is φ = 4376448.

The previous prime is 4381667. The next prime is 4381681. The reversal of 4381673 is 3761834.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 4012009 + 369664 = 2003^2 + 608^2 .

It is a cyclic number.

It is not a de Polignac number, because 4381673 - 2¹⁴ = 4365289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4381693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1040 + ... + 3137.

It is an arithmetic number, because the mean of its divisors is an integer number (1096725).

Almost surely, 2^4381673 is an apocalyptic number.

It is an amenable number.

4381673 is a deficient number, since it is larger than the sum of its proper divisors (5227).

4381673 is a wasteful number, since it uses less digits than its factorization.

4381673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5226.

The product of its digits is 12096, while the sum is 32.

The square root of 4381673 is about 2093.2446106464. The cubic root of 4381673 is about 163.6364268892.

The spelling of 4381673 in words is "four million, three hundred eighty-one thousand, six hundred seventy-three".