338637028 has 24 divisors (see below), whose sum is σ = 604668512. Its totient is φ = 165901824.

The previous prime is 338637023. The next prime is 338637037. The reversal of 338637028 is 820736833.

It is a super-2 number, since 2×338637028² = 229350073465345568, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (338637023) 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 7 ways as a sum of consecutive naturals, for example, 48451 + ... + 54997.

Almost surely, 2^338637028 is an apocalyptic number.

It is an amenable number.

338637028 is a deficient number, since it is larger than the sum of its proper divisors (266031484).

338637028 is a wasteful number, since it uses less digits than its factorization.

338637028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6811 (or 6809 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 40.

The square root of 338637028 is about 18402.0930331308. The cubic root of 338637028 is about 697.0193177563.

The spelling of 338637028 in words is "three hundred thirty-eight million, six hundred thirty-seven thousand, twenty-eight".