338678988 has 12 divisors (see below), whose sum is σ = 790251000. Its totient is φ = 112892992.

The previous prime is 338678959. The next prime is 338679001. The reversal of 338678988 is 889876833.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×338678988² = 229406913825408288, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14111613 + ... + 14111636.

It is an arithmetic number, because the mean of its divisors is an integer number (65854250).

Almost surely, 2^338678988 is an apocalyptic number.

It is an amenable number.

338678988 is an abundant number, since it is smaller than the sum of its proper divisors (451572012).

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

338678988 is a wasteful number, since it uses less digits than its factorization.

338678988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28223256 (or 28223254 counting only the distinct ones).

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

The square root of 338678988 is about 18403.2330855206. The cubic root of 338678988 is about 697.0481054358.

The spelling of 338678988 in words is "three hundred thirty-eight million, six hundred seventy-eight thousand, nine hundred eighty-eight".