1384781060 has 24 divisors (see below), whose sum is σ = 3131736216. Its totient is φ = 511303680.

The previous prime is 1384781051. The next prime is 1384781063. The reversal of 1384781060 is 601874831.

It can be written as a sum of positive squares in 4 ways, for example, as 1982464 + 1382798596 = 1408^2 + 37186^2 .

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1384781063) 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, 2662781 + ... + 2663300.

It is an arithmetic number, because the mean of its divisors is an integer number (130489009).

Almost surely, 2^1384781060 is an apocalyptic number.

1384781060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1384781060 is an abundant number, since it is smaller than the sum of its proper divisors (1746955156).

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

1384781060 is a wasteful number, since it uses less digits than its factorization.

1384781060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5326103 (or 5326101 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 1384781060 is about 37212.6465062618. The cubic root of 1384781060 is about 1114.6205308466.

The spelling of 1384781060 in words is "one billion, three hundred eighty-four million, seven hundred eighty-one thousand, sixty".