1338262873 has 4 divisors (see below), whose sum is σ = 1338415540. Its totient is φ = 1338110208.

The previous prime is 1338262847. The next prime is 1338262903. The reversal of 1338262873 is 3782628331.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1255143184 + 83119689 = 35428^2 + 9117^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1338262873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1338262073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62328 + ... + 81001.

It is an arithmetic number, because the mean of its divisors is an integer number (334603885).

Almost surely, 2^1338262873 is an apocalyptic number.

It is an amenable number.

1338262873 is a deficient number, since it is larger than the sum of its proper divisors (152667).

1338262873 is an equidigital number, since it uses as much as digits as its factorization.

1338262873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152666.

The product of its digits is 290304, while the sum is 43.

The square root of 1338262873 is about 36582.2753939664. The cubic root of 1338262873 is about 1101.9971632102.

The spelling of 1338262873 in words is "one billion, three hundred thirty-eight million, two hundred sixty-two thousand, eight hundred seventy-three".