338235648 has 72 divisors (see below), whose sum is σ = 924607488. Its totient is φ = 109688832.

The previous prime is 338235643. The next prime is 338235659. The reversal of 338235648 is 846532833.

It is a happy number.

It is a super-2 number, since 2×338235648² = 228806707155959808, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (338235643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22465 + ... + 34367.

Almost surely, 2^338235648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 338235648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (462303744).

338235648 is an abundant number, since it is smaller than the sum of its proper divisors (586371840).

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

338235648 is a wasteful number, since it uses less digits than its factorization.

338235648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11959 (or 11945 counting only the distinct ones).

The product of its digits is 414720, while the sum is 42.

The square root of 338235648 is about 18391.1839749376. The cubic root of 338235648 is about 696.7438209868.

The spelling of 338235648 in words is "three hundred thirty-eight million, two hundred thirty-five thousand, six hundred forty-eight".