1384833140 has 12 divisors (see below), whose sum is σ = 2908149636. Its totient is φ = 553933248.

The previous prime is 1384833137. The next prime is 1384833161. The reversal of 1384833140 is 413384831.

It can be written as a sum of positive squares in 2 ways, for example, as 148888804 + 1235944336 = 12202^2 + 35156^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1384833140.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 34620809 + ... + 34620848.

It is an arithmetic number, because the mean of its divisors is an integer number (242345803).

Almost surely, 2^1384833140 is an apocalyptic number.

1384833140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1384833140 is an abundant number, since it is smaller than the sum of its proper divisors (1523316496).

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

1384833140 is a wasteful number, since it uses less digits than its factorization.

1384833140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69241666 (or 69241664 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 1384833140 is about 37213.3462617916. The cubic root of 1384833140 is about 1114.6345038640.

The spelling of 1384833140 in words is "one billion, three hundred eighty-four million, eight hundred thirty-three thousand, one hundred forty".