4380243 has 16 divisors (see below), whose sum is σ = 6720000. Its totient is φ = 2486016.

The previous prime is 4380239. The next prime is 4380251. The reversal of 4380243 is 3420834.

It is not a de Polignac number, because 4380243 - 2² = 4380239 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4380223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2883 + ... + 4131.

It is an arithmetic number, because the mean of its divisors is an integer number (420000).

Almost surely, 2^4380243 is an apocalyptic number.

4380243 is a deficient number, since it is larger than the sum of its proper divisors (2339757).

4380243 is a wasteful number, since it uses less digits than its factorization.

4380243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1426.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 4380243 is about 2092.9030077861. The cubic root of 4380243 is about 163.6186235258.

The spelling of 4380243 in words is "four million, three hundred eighty thousand, two hundred forty-three".