4380885 has 40 divisors (see below), whose sum is σ = 8145720. Its totient is φ = 2249856.

The previous prime is 4380881. The next prime is 4380919. The reversal of 4380885 is 5880834.

It can be written as a sum of positive squares in 4 ways, for example, as 531441 + 3849444 = 729^2 + 1962^2 .

It is not a de Polignac number, because 4380885 - 2² = 4380881 is a prime.

4380885 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4380881) 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 39 ways as a sum of consecutive naturals, for example, 11559 + ... + 11931.

It is an arithmetic number, because the mean of its divisors is an integer number (203643).

Almost surely, 2^4380885 is an apocalyptic number.

4380885 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4380885 is a deficient number, since it is larger than the sum of its proper divisors (3764835).

4380885 is a wasteful number, since it uses less digits than its factorization.

4380885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419 (or 410 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 4380885 is about 2093.0563776449. The cubic root of 4380885 is about 163.6266168437.

The spelling of 4380885 in words is "four million, three hundred eighty thousand, eight hundred eighty-five".