338988678 has 16 divisors (see below), whose sum is σ = 774831360. Its totient is φ = 96853896.

The previous prime is 338988677. The next prime is 338988701. The reversal of 338988678 is 876889833.

It is a happy number.

It is a super-2 number, since 2×338988678² = 229826647624375368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (338988677) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4035538 + ... + 4035621.

It is an arithmetic number, because the mean of its divisors is an integer number (48426960).

Almost surely, 2^338988678 is an apocalyptic number.

338988678 is an abundant number, since it is smaller than the sum of its proper divisors (435842682).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

338988678 is a wasteful number, since it uses less digits than its factorization.

338988678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8071171.

The product of its digits is 13934592, while the sum is 60.

The square root of 338988678 is about 18411.6451736394. The cubic root of 338988678 is about 697.2605022989.

The spelling of 338988678 in words is "three hundred thirty-eight million, nine hundred eighty-eight thousand, six hundred seventy-eight".