1384859 has 4 divisors (see below), whose sum is σ = 1582704. Its totient is φ = 1187016.

The previous prime is 1384849. The next prime is 1384861. The reversal of 1384859 is 9584831.

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 1384859 - 2⁴ = 1384843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1384829) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98912 + ... + 98925.

It is an arithmetic number, because the mean of its divisors is an integer number (395676).

2^1384859 is an apocalyptic number.

1384859 is a deficient number, since it is larger than the sum of its proper divisors (197845).

1384859 is an equidigital number, since it uses as much as digits as its factorization.

1384859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197844.

The product of its digits is 34560, while the sum is 38.

The square root of 1384859 is about 1176.8003229095. The cubic root of 1384859 is about 111.4641441949.

The spelling of 1384859 in words is "one million, three hundred eighty-four thousand, eight hundred fifty-nine".