338656272 has 20 divisors (see below), whose sum is σ = 874862160. Its totient is φ = 112885408.

The previous prime is 338656259. The next prime is 338656277. The reversal of 338656272 is 272656833.

It is a happy number.

It is a super-2 number, since 2×338656272² = 229376141129875968, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (338656277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3527622 + ... + 3527717.

It is an arithmetic number, because the mean of its divisors is an integer number (43743108).

Almost surely, 2^338656272 is an apocalyptic number.

It is an amenable number.

338656272 is an abundant number, since it is smaller than the sum of its proper divisors (536205888).

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

338656272 is a wasteful number, since it uses less digits than its factorization.

338656272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7055350 (or 7055344 counting only the distinct ones).

The product of its digits is 362880, while the sum is 42.

The square root of 338656272 is about 18402.6159010071. The cubic root of 338656272 is about 697.0325208662.

The spelling of 338656272 in words is "three hundred thirty-eight million, six hundred fifty-six thousand, two hundred seventy-two".