1384494336 has 144 divisors (see below), whose sum is σ = 4235985600. Its totient is φ = 445519872.

The previous prime is 1384494301. The next prime is 1384494359. The reversal of 1384494336 is 6334944831.

1384494336 is a `hidden beast` number, since 138 + 449 + 43 + 36 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 1384494291 and 1384494300.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 196995 + ... + 203901.

Almost surely, 2^1384494336 is an apocalyptic number.

1384494336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1384494336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2117992800).

1384494336 is an abundant number, since it is smaller than the sum of its proper divisors (2851491264).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1384494336 is an equidigital number, since it uses as much as digits as its factorization.

1384494336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6961 (or 6941 counting only the distinct ones).

The product of its digits is 746496, while the sum is 45.

The square root of 1384494336 is about 37208.7937993158. The cubic root of 1384494336 is about 1114.5435967795.

The spelling of 1384494336 in words is "one billion, three hundred eighty-four million, four hundred ninety-four thousand, three hundred thirty-six".