4380389 has 8 divisors (see below), whose sum is σ = 4741632. Its totient is φ = 4022640.

The previous prime is 4380361. The next prime is 4380391. The reversal of 4380389 is 9830834.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4380389 - 2⁸ = 4380133 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4380289) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2144 + ... + 3654.

It is an arithmetic number, because the mean of its divisors is an integer number (592704).

Almost surely, 2^4380389 is an apocalyptic number.

It is an amenable number.

4380389 is a deficient number, since it is larger than the sum of its proper divisors (361243).

4380389 is a wasteful number, since it uses less digits than its factorization.

4380389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1747.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 4380389 is about 2092.9378872771. The cubic root of 4380389 is about 163.6204413894.

The spelling of 4380389 in words is "four million, three hundred eighty thousand, three hundred eighty-nine".