1384218085 has 16 divisors (see below), whose sum is σ = 1746948096. Its totient is φ = 1050876288.

The previous prime is 1384218067. The next prime is 1384218091. The reversal of 1384218085 is 5808124831.

It is a cyclic number.

It is not a de Polignac number, because 1384218085 - 2⁷ = 1384217957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32784 + ... + 61993.

It is an arithmetic number, because the mean of its divisors is an integer number (109184256).

Almost surely, 2^1384218085 is an apocalyptic number.

It is an amenable number.

1384218085 is a deficient number, since it is larger than the sum of its proper divisors (362730011).

1384218085 is a wasteful number, since it uses less digits than its factorization.

1384218085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94932.

The product of its (nonzero) digits is 61440, while the sum is 40.

The square root of 1384218085 is about 37205.0814405774. The cubic root of 1384218085 is about 1114.4694627905.

The spelling of 1384218085 in words is "one billion, three hundred eighty-four million, two hundred eighteen thousand, eighty-five".