1238620339 has 4 divisors (see below), whose sum is σ = 1351222200. Its totient is φ = 1126018480.

The previous prime is 1238620333. The next prime is 1238620349. The reversal of 1238620339 is 9330268321.

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

It is a cyclic number.

It is not a de Polignac number, because 1238620339 - 2⁵ = 1238620307 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1238620298 and 1238620307.

It is not an unprimeable number, because it can be changed into a prime (1238620333) 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 3 ways as a sum of consecutive naturals, for example, 56300914 + ... + 56300935.

It is an arithmetic number, because the mean of its divisors is an integer number (337805550).

Almost surely, 2^1238620339 is an apocalyptic number.

1238620339 is a deficient number, since it is larger than the sum of its proper divisors (112601861).

1238620339 is a wasteful number, since it uses less digits than its factorization.

1238620339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112601860.

The product of its (nonzero) digits is 46656, while the sum is 37.

The square root of 1238620339 is about 35194.0384014111. The cubic root of 1238620339 is about 1073.9384766291.

The spelling of 1238620339 in words is "one billion, two hundred thirty-eight million, six hundred twenty thousand, three hundred thirty-nine".