1384471936 has 128 divisors (see below), whose sum is σ = 3093292800. Its totient is φ = 614135808.

The previous prime is 1384471889. The next prime is 1384471981. The reversal of 1384471936 is 6391744831.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (46).

Its product of digits (435456) is a multiple of the sum of its prime factors (576).

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, 2964375 + ... + 2964841.

It is an arithmetic number, because the mean of its divisors is an integer number (24166350).

Almost surely, 2^1384471936 is an apocalyptic number.

1384471936 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 1384471936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1546646400).

1384471936 is an abundant number, since it is smaller than the sum of its proper divisors (1708820864).

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

1384471936 is a wasteful number, since it uses less digits than its factorization.

1384471936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576 (or 564 counting only the distinct ones).

The product of its digits is 435456, while the sum is 46.

The square root of 1384471936 is about 37208.4927939845. The cubic root of 1384471936 is about 1114.5375859420.

The spelling of 1384471936 in words is "one billion, three hundred eighty-four million, four hundred seventy-one thousand, nine hundred thirty-six".