1338820360 has 32 divisors (see below), whose sum is σ = 3032308800. Its totient is φ = 531979200.

The previous prime is 1338820309. The next prime is 1338820367. The reversal of 1338820360 is 630288331.

It is not an unprimeable number, because it can be changed into a prime (1338820367) 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, 104790 + ... + 116869.

It is an arithmetic number, because the mean of its divisors is an integer number (94759650).

Almost surely, 2^1338820360 is an apocalyptic number.

1338820360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1338820360 is an abundant number, since it is smaller than the sum of its proper divisors (1693488440).

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

1338820360 is a wasteful number, since it uses less digits than its factorization.

1338820360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221821 (or 221817 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 1338820360 is about 36589.8942332442. The cubic root of 1338820360 is about 1102.1501634957.

The spelling of 1338820360 in words is "one billion, three hundred thirty-eight million, eight hundred twenty thousand, three hundred sixty".