4380779 has 4 divisors (see below), whose sum is σ = 4717776. Its totient is φ = 4043784.

The previous prime is 4380767. The next prime is 4380793. The reversal of 4380779 is 9770834.

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 4380779 - 2¹² = 4376683 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4380709) 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 3 ways as a sum of consecutive naturals, for example, 168479 + ... + 168504.

It is an arithmetic number, because the mean of its divisors is an integer number (1179444).

Almost surely, 2^4380779 is an apocalyptic number.

4380779 is a deficient number, since it is larger than the sum of its proper divisors (336997).

4380779 is a wasteful number, since it uses less digits than its factorization.

4380779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336996.

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 4380779 is about 2093.0310556702. The cubic root of 4380779 is about 163.6252971285.

The spelling of 4380779 in words is "four million, three hundred eighty thousand, seven hundred seventy-nine".