338661288 has 48 divisors (see below), whose sum is σ = 1048238880. Its totient is φ = 96760224.

The previous prime is 338661283. The next prime is 338661299. The reversal of 338661288 is 882166833.

It is a super-2 number, since 2×338661288² = 229382935979637888, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (338661283) 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, 335470 + ... + 336477.

It is an arithmetic number, because the mean of its divisors is an integer number (21838310).

Almost surely, 2^338661288 is an apocalyptic number.

It is an amenable number.

338661288 is an abundant number, since it is smaller than the sum of its proper divisors (709577592).

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

338661288 is a wasteful number, since it uses less digits than its factorization.

338661288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671966 (or 671959 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The square root of 338661288 is about 18402.7521854749. The cubic root of 338661288 is about 697.0359622099.

The spelling of 338661288 in words is "three hundred thirty-eight million, six hundred sixty-one thousand, two hundred eighty-eight".