1383776416 has 48 divisors (see below), whose sum is σ = 3101208768. Its totient is φ = 601638400.

The previous prime is 1383776413. The next prime is 1383776423. The reversal of 1383776416 is 6146773831.

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

It is not an unprimeable number, because it can be changed into a prime (1383776413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77365 + ... + 93556.

It is an arithmetic number, because the mean of its divisors is an integer number (64608516).

Almost surely, 2^1383776416 is an apocalyptic number.

1383776416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1383776416 is an abundant number, since it is smaller than the sum of its proper divisors (1717432352).

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

1383776416 is a wasteful number, since it uses less digits than its factorization.

1383776416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170965 (or 170957 counting only the distinct ones).

The product of its digits is 508032, while the sum is 46.

The square root of 1383776416 is about 37199.1453665269. The cubic root of 1383776416 is about 1114.3509171701.

The spelling of 1383776416 in words is "one billion, three hundred eighty-three million, seven hundred seventy-six thousand, four hundred sixteen".