338739987388 has 36 divisors (see below), whose sum is σ = 651747644856. Its totient is φ = 153934184800.

The previous prime is 338739987373. The next prime is 338739987389. The reversal of 338739987388 is 883789937833.

It is a super-2 number, since 2×338739987388² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (338739987389) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1894506 + ... + 2065582.

It is an arithmetic number, because the mean of its divisors is an integer number (18104101246).

Almost surely, 2^338739987388 is an apocalyptic number.

It is an amenable number.

338739987388 is a deficient number, since it is larger than the sum of its proper divisors (313007657468).

338739987388 is a wasteful number, since it uses less digits than its factorization.

338739987388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175194 (or 175181 counting only the distinct ones).

The product of its digits is 1316818944, while the sum is 76.

The spelling of 338739987388 in words is "three hundred thirty-eight billion, seven hundred thirty-nine million, nine hundred eighty-seven thousand, three hundred eighty-eight".