1383876729 has 12 divisors (see below), whose sum is σ = 2010904896. Its totient is φ = 917059032.

The previous prime is 1383876727. The next prime is 1383876749. The reversal of 1383876729 is 9276783831.

It is not a de Polignac number, because 1383876729 - 2¹ = 1383876727 is a prime.

It is a super-2 number, since 2×1383876729² = 3830229602135478882, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1383876727) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 458869 + ... + 461874.

It is an arithmetic number, because the mean of its divisors is an integer number (167575408).

Almost surely, 2^1383876729 is an apocalyptic number.

It is an amenable number.

1383876729 is a deficient number, since it is larger than the sum of its proper divisors (627028167).

1383876729 is a wasteful number, since it uses less digits than its factorization.

1383876729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 920916 (or 920913 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 54.

The square root of 1383876729 is about 37200.4936660792. The cubic root of 1383876729 is about 1114.3778437702.

The spelling of 1383876729 in words is "one billion, three hundred eighty-three million, eight hundred seventy-six thousand, seven hundred twenty-nine".