4381403 has 4 divisors (see below), whose sum is σ = 4718448. Its totient is φ = 4044360.

The previous prime is 4381379. The next prime is 4381409. The reversal of 4381403 is 3041834.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4381403 - 2⁸ = 4381147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4381409) 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, 168503 + ... + 168528.

It is an arithmetic number, because the mean of its divisors is an integer number (1179612).

Almost surely, 2^4381403 is an apocalyptic number.

4381403 is a deficient number, since it is larger than the sum of its proper divisors (337045).

4381403 is a wasteful number, since it uses less digits than its factorization.

4381403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337044.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 4381403 is about 2093.1801164735. The cubic root of 4381403 is about 163.6330657117.

The spelling of 4381403 in words is "four million, three hundred eighty-one thousand, four hundred three".