1384743871 has 6 divisors (see below), whose sum is σ = 1610824560. Its totient is φ = 1186923276.

The previous prime is 1384743851. The next prime is 1384743887. The reversal of 1384743871 is 1783474831.

It is not a de Polignac number, because 1384743871 - 2¹¹ = 1384741823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1384743851) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14129991 + ... + 14130088.

It is an arithmetic number, because the mean of its divisors is an integer number (268470760).

Almost surely, 2^1384743871 is an apocalyptic number.

1384743871 is a deficient number, since it is larger than the sum of its proper divisors (226080689).

1384743871 is an equidigital number, since it uses as much as digits as its factorization.

1384743871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28260093 (or 28260086 counting only the distinct ones).

The product of its digits is 451584, while the sum is 46.

The square root of 1384743871 is about 37212.1468206283. The cubic root of 1384743871 is about 1114.6105528568.

The spelling of 1384743871 in words is "one billion, three hundred eighty-four million, seven hundred forty-three thousand, eight hundred seventy-one".