4380919 has 2 divisors, whose sum is σ = 4380920. Its totient is φ = 4380918.

The previous prime is 4380881. The next prime is 4380931. The reversal of 4380919 is 9190834.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4380919 - 2¹³ = 4372727 is a prime.

It is a super-2 number, since 2×4380919² = 38384902569122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4380979) 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 as a sum of consecutive naturals, namely, 2190459 + 2190460.

It is an arithmetic number, because the mean of its divisors is an integer number (2190460).

Almost surely, 2^4380919 is an apocalyptic number.

4380919 is a deficient number, since it is larger than the sum of its proper divisors (1).

4380919 is an equidigital number, since it uses as much as digits as its factorization.

4380919 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 4380919 is about 2093.0644997228. The cubic root of 4380919 is about 163.6270401441.

The spelling of 4380919 in words is "four million, three hundred eighty thousand, nine hundred nineteen".