1238396336 has 10 divisors (see below), whose sum is σ = 2399392932. Its totient is φ = 619198160.

The previous prime is 1238396333. The next prime is 1238396353. The reversal of 1238396336 is 6336938321.

It is not an unprimeable number, because it can be changed into a prime (1238396333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38699870 + ... + 38699901.

Almost surely, 2^1238396336 is an apocalyptic number.

1238396336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1238396336 is a deficient number, since it is larger than the sum of its proper divisors (1160996596).

1238396336 is an equidigital number, since it uses as much as digits as its factorization.

1238396336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77399779 (or 77399773 counting only the distinct ones).

The product of its digits is 419904, while the sum is 44.

The square root of 1238396336 is about 35190.8558577367. The cubic root of 1238396336 is about 1073.8737325649.

The spelling of 1238396336 in words is "one billion, two hundred thirty-eight million, three hundred ninety-six thousand, three hundred thirty-six".