1384872816 has 40 divisors (see below), whose sum is σ = 3593658880. Its totient is φ = 459550656.

The previous prime is 1384872809. The next prime is 1384872823. The reversal of 1384872816 is 6182784831.

1384872816 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1384872809) and next prime (1384872823).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53986 + ... + 75393.

It is an arithmetic number, because the mean of its divisors is an integer number (89841472).

Almost surely, 2^1384872816 is an apocalyptic number.

1384872816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1384872816 is an abundant number, since it is smaller than the sum of its proper divisors (2208786064).

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

1384872816 is a wasteful number, since it uses less digits than its factorization.

1384872816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129613 (or 129607 counting only the distinct ones).

The product of its digits is 516096, while the sum is 48.

The square root of 1384872816 is about 37213.8793462869. The cubic root of 1384872816 is about 1114.6451486642.

The spelling of 1384872816 in words is "one billion, three hundred eighty-four million, eight hundred seventy-two thousand, eight hundred sixteen".