1338233389 has 8 divisors (see below), whose sum is σ = 1383107072. Its totient is φ = 1293466320.

The previous prime is 1338233383. The next prime is 1338233419. The reversal of 1338233389 is 9833328331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1338233389 - 2⁷ = 1338233261 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 (1338233383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 714 + ... + 51739.

It is an arithmetic number, because the mean of its divisors is an integer number (172888384).

Almost surely, 2^1338233389 is an apocalyptic number.

It is an amenable number.

1338233389 is a deficient number, since it is larger than the sum of its proper divisors (44873683).

1338233389 is an equidigital number, since it uses as much as digits as its factorization.

1338233389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53307.

The product of its digits is 279936, while the sum is 43.

The square root of 1338233389 is about 36581.8724097059. The cubic root of 1338233389 is about 1101.9890702504.

The spelling of 1338233389 in words is "one billion, three hundred thirty-eight million, two hundred thirty-three thousand, three hundred eighty-nine".