1384734120 has 384 divisors, whose sum is σ = 5358182400. Its totient is φ = 283046400.

The previous prime is 1384734103. The next prime is 1384734149. The reversal of 1384734120 is 214374831.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5109585 + ... + 5109855.

It is an arithmetic number, because the mean of its divisors is an integer number (13953600).

Almost surely, 2^1384734120 is an apocalyptic number.

1384734120 is a gapful number since it is divisible by the number (10) 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 1384734120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2679091200).

1384734120 is an abundant number, since it is smaller than the sum of its proper divisors (3973448280).

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

1384734120 is a wasteful number, since it uses less digits than its factorization.

1384734120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389 (or 378 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 1384734120 is about 37212.0158013510. The cubic root of 1384734120 is about 1114.6079365864.

The spelling of 1384734120 in words is "one billion, three hundred eighty-four million, seven hundred thirty-four thousand, one hundred twenty".