4390859 has 8 divisors (see below), whose sum is σ = 4901952. Its totient is φ = 3898440.

The previous prime is 4390849. The next prime is 4390873. The reversal of 4390859 is 9580934.

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 4390859 - 2¹² = 4386763 is a prime.

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (4390829) 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, 4169 + ... + 5114.

It is an arithmetic number, because the mean of its divisors is an integer number (612744).

Almost surely, 2^4390859 is an apocalyptic number.

4390859 is a deficient number, since it is larger than the sum of its proper divisors (511093).

4390859 is a wasteful number, since it uses less digits than its factorization.

4390859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9337.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 4390859 is about 2095.4376631148. The cubic root of 4390859 is about 163.7506994512.

The spelling of 4390859 in words is "four million, three hundred ninety thousand, eight hundred fifty-nine".