1338087460 has 24 divisors (see below), whose sum is σ = 2856051576. Its totient is φ = 526460160.

The previous prime is 1338087451. The next prime is 1338087481. The reversal of 1338087460 is 647808331.

It can be written as a sum of positive squares in 4 ways, for example, as 168584256 + 1169503204 = 12984^2 + 34198^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 547177 + ... + 549616.

It is an arithmetic number, because the mean of its divisors is an integer number (119002149).

Almost surely, 2^1338087460 is an apocalyptic number.

1338087460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1338087460 is an abundant number, since it is smaller than the sum of its proper divisors (1517964116).

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

1338087460 is a wasteful number, since it uses less digits than its factorization.

1338087460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1096863 (or 1096861 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 1338087460 is about 36579.8778018735. The cubic root of 1338087460 is about 1101.9490129604.

The spelling of 1338087460 in words is "one billion, three hundred thirty-eight million, eighty-seven thousand, four hundred sixty".