1384880800 has 72 divisors (see below), whose sum is σ = 3398220000. Its totient is φ = 551105280.

The previous prime is 1384880729. The next prime is 1384880801. The reversal of 1384880800 is 80884831.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (1384880801) 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 11 ways as a sum of consecutive naturals, for example, 154851 + ... + 163549.

It is an arithmetic number, because the mean of its divisors is an integer number (47197500).

Almost surely, 2^1384880800 is an apocalyptic number.

1384880800 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 1384880800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1699110000).

1384880800 is an abundant number, since it is smaller than the sum of its proper divisors (2013339200).

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

1384880800 is a wasteful number, since it uses less digits than its factorization.

1384880800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8918 (or 8905 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 40.

The square root of 1384880800 is about 37213.9866179371. The cubic root of 1384880800 is about 1114.6472906923.

The spelling of 1384880800 in words is "one billion, three hundred eighty-four million, eight hundred eighty thousand, eight hundred".