4380805 has 24 divisors (see below), whose sum is σ = 6233976. Its totient is φ = 2935680.

The previous prime is 4380793. The next prime is 4380839. The reversal of 4380805 is 5080834.

It can be written as a sum of positive squares in 4 ways, for example, as 58564 + 4322241 = 242^2 + 2079^2 .

It is not a de Polignac number, because 4380805 - 2⁹ = 4380293 is a prime.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7587 + ... + 8143.

It is an arithmetic number, because the mean of its divisors is an integer number (259749).

Almost surely, 2^4380805 is an apocalyptic number.

It is an amenable number.

4380805 is a deficient number, since it is larger than the sum of its proper divisors (1853171).

4380805 is a wasteful number, since it uses less digits than its factorization.

4380805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597 (or 586 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 4380805 is about 2093.0372667490. The cubic root of 4380805 is about 163.6256208342.

It can be divided in two parts, 438080 and 5, that multiplied together give a square (2190400 = 1480²).

The spelling of 4380805 in words is "four million, three hundred eighty thousand, eight hundred five".