1384520853 has 16 divisors (see below), whose sum is σ = 1920598016. Its totient is φ = 886198320.

The previous prime is 1384520833. The next prime is 1384520881. The reversal of 1384520853 is 3580254831.

It is not a de Polignac number, because 1384520853 - 2⁵ = 1384520821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1384520833) 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 in 15 ways as a sum of consecutive naturals, for example, 46801 + ... + 70422.

It is an arithmetic number, because the mean of its divisors is an integer number (120037376).

Almost surely, 2^1384520853 is an apocalyptic number.

It is an amenable number.

1384520853 is a deficient number, since it is larger than the sum of its proper divisors (536077163).

1384520853 is a wasteful number, since it uses less digits than its factorization.

1384520853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117384.

The product of its (nonzero) digits is 115200, while the sum is 39.

The square root of 1384520853 is about 37209.1501246669. The cubic root of 1384520853 is about 1114.5507122929.

The spelling of 1384520853 in words is "one billion, three hundred eighty-four million, five hundred twenty thousand, eight hundred fifty-three".